Document

Form CMS-10545 OASIS-E Item Set

ICR 202406-0938-007 · OMB 0938-1279 · Object 143646200.

⚠️ Notice: This form may be outdated. More recent filings and information on OMB 0938-1279 can be found here:

Document [pdf]

Download: pdf | txt

PRA Disclosure Statement

According to the Paperwork Reduction Act of 1995, no persons are required to respond to a collection of
information unless it displays a valid OMB control number. The valid OMB control number for this information
collection is XXXX-XXXX. The expiration date is XX/XX/XXXX, The time required to complete this information
collection is estimated to be XX minutes per data element, including the time to review instructions, search
existing data resources, gather the data needed, and complete and review the information collection. This
estimate does not include time for training. If you have comments concerning the accuracy of the time
estimate(s) or suggestions for improving this form, please write to: CMS, 7500 Security Boulevard, Attn: PRA
Reports Clearance Officer, Mail Stop C4-26-05, Baltimore, Maryland 21244-1850.
*****CMS Disclaimer*****Please do not send applications, claims, payments, medical records or any
documents containing sensitive information to the PRA Reports Clearance Office. Please note that any
correspondence not pertaining to the information collection burden approved under the associated OMB
control number listed on this form will not be reviewed, forwarded, or retained. If you have questions or
concerns regarding where to submit your documents, please contact XXXXXXXX National Coordinator, Home
Health Quality Reporting Program Centers for Medicare & Medicaid Services.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 1 of 35

OUTCOME AND ASSESSMENT INFORMATION SET VERSION E1
All Items

Section A

Administrative Information

M0018. National Provider Identifier (NPI) for the attending physician who has signed the plan of care
UK — Unknown or Not Available
M0010. CMS Certification Number

M0014. Branch State

M0016. Branch ID Number

M0020. Patient ID Number

M0030. Start of Care Date
—
Month

—
Day

Year

M0032. Resumption of Care Date
—
Month

—
Day

Year

NA — Not Applicable

M0040. Patient Name

(First)

(MI)

(Last)

(Suffix)

M0050. Patient State of Residence

M0060. Patient ZIP Code

M0064. Social Security Number

UK — Unknown or Not Available

M0063. Medicare Number
NA — No Medicare

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 2 of 35

M0065. Medicaid Number
NA — No Medicaid
M0069. Gender
Enter Code

1.
2.

Male
Female

M0066. Birth Date
—
Month

—
Day

Year

A1005. Ethnicity
Are you of Hispanic, Latino/a, or Spanish origin?
↓

Check all that apply
A.

No, not of Hispanic, Latino/a, or Spanish origin

Yes, Mexican, Mexican American, Chicano/a

Yes, Puerto Rican

Yes, Cuban

Yes, another Hispanic, Latino, or Spanish origin

Patient unable to respond

Patient declines to respond

A1010. Race
What is your race?
↓

Check all that apply
A.

White

Black or African American

American Indian or Alaska Native

Asian Indian

Chinese

Filipino

Japanese

Korean

Vietnamese

Other Asian

Native Hawaiian

Guamanian or Chamorro

M. Samoan
N.

Other Pacific Islander

Patient unable to respond

Patient declines to respond

None of the above

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 3 of 35

M0150. Current Payment Sources for Home Care
↓

Check all that apply
0.

None; no charge for current services

Medicare (traditional fee-for-service)

Medicare (HMO/managed care/Advantage plan)

Medicaid (traditional fee-for-service)

Medicaid (HMO/managed care)

Worker’s compensation

Title programs (for example, Title III, V, or XX)

Other government (for example, TriCare, VA)

Private insurance

Private HMO/managed care

10. Self-pay
11. Other (specify)
UK. Unknown
A1110. Language
A. What is your preferred language?

Enter Code

Do you need or want an interpreter to communicate with a doctor or health care staff?
0.
1.
9.

No
Yes
Unable to determine

M0080. Discipline of Person Completing Assessment
Enter
Code

1.
2.
3.
4.

RN
PT
SLP/ST
OT

M0090. Date Assessment Completed
—
Month

—
Day

Year

M0100. This Assessment is Currently Being Completed for the Following Reason
Enter
Code

Start/Resumption of Care
1. Start of care — further visits planned
3. Resumption of Care (after inpatient stay)
Follow-up
4. Recertification (follow-up) reassessment
5. Other follow-up
Transfer to an Inpatient Facility
6. Transferred to an inpatient facility — patient not discharged from agency
7. Transferred to an inpatient facility — patient discharged from agency
Discharge from Agency — Not to an Inpatient Facility
8. Death at home
9. Discharge from agency

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 4 of 35

M0906. Discharge/Transfer/Death Date
Enter the date of the discharge, transfer, or death (at home) of the patient.
—
Month

—
Day

Year

M0102. Date of Physician-ordered Start of Care (Resumption of Care)
If the physician indicated a specific start of care (resumption of care) date when the patient was referred for home health services,
record the date specified.
—
Month

→ Skip to A1250, Transportation, if date entered

—
Day

Year

NA — No specific SOC/ROC date ordered by physician
M0104. Date of Referral
Indicate the date that the written or verbal referral for initiation or resumption of care was received by the HHA.
—
Month

—
Day

Year

A1250. Transportation (NACHC©)
Has lack of transportation kept you from medical appointments, meetings, work, or from getting things needed for daily living?
↓

Check all that apply
A. Yes, it has kept me from medical appointments or from getting my medications
B. Yes, it has kept me from non-medical meetings, appointments, work, or from getting things that I need
C. No
X. Patient unable to respond
Y. Patient declines to respond

Adapted from: NACHC© 2019. National Association of Community Health Centers, Inc., Association of Asian Pacific Community
Health Organizations, Oregon Primary Care Association. PRAPARE and its resources are proprietary information of NACHC and its
partners, intended for use by NACHC, its partners, and authorized recipients. Do not publish, copy, or distribute this information in
part or whole without written consent from NACHC.
M1000. From which of the following Inpatient Facilities was the patient discharged within the past 14 days?
↓

Check all that apply
1. Long-term nursing facility (NF)
2. Skilled nursing facility (SNF/TCU)
3. Short-stay acute hospital (IPPS)
4. Long-term care hospital (LTCH)
5. Inpatient rehabilitation hospital or unit (IRF)
6. Psychiatric hospital or unit
7. Other (specify)
NA Patient was not discharged from an inpatient facility → Skip to B0200, Hearing at SOC,
Skip to B1300, Health Literacy at ROC

M1005. Inpatient Discharge Date (most recent)
—
Month

—
Day

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Year

UK — Unknown or Not Available
Page 5 of 35

M2301. Emergent Care
At the time of or at any time since the most recent SOC/ROC assessment has the patient utilized a hospital emergency department
(includes holding/observation status)?
Enter Code

0.
1.
2.
UK

No → Skip to M2410, Inpatient Facility
Yes, used hospital emergency department WITHOUT hospital admission
Yes, used hospital emergency department WITH hospital admission
Unknown → Skip to M2410, Inpatient Facility

M2310. Reason for Emergent Care
For what reason(s) did the patient seek and/or receive emergent care (with or without hospitalization)?
↓

Check all that apply
1.

Improper medication administration, adverse drug reactions, medication side effects, toxicity, anaphylaxis

10. Hypo/Hyperglycemia, diabetes out of control
19. Other than above reasons
UK Reason unknown
M2410. To which Inpatient Facility has the patient been admitted?
Enter
Code

1.
2.
3.
4.
NA

Hospital
Rehabilitation facility
Nursing home
Hospice
No inpatient facility admission [Omit “NA” option on TRN]

M2420. Discharge Disposition
Where is the patient after discharge from your agency? (Choose only one answer.)
Enter
Code

Patient remained in the community (without skilled services from a Medicare Certified HHA or non-institutional
hospice) → Skip to A2123, Provision of Current Reconciled Medication List to Patient at Discharge
2. Patient remained in the community (with skilled services from a Medicare Certified HHA) → Continue to A2121,
Provision of Current Reconciled Medication List to Subsequent Provider at Discharge
3. Patient transferred to a non-institutional hospice → Continue to A2121, Provision of Current Reconciled Medication List to Subsequent Provider at Discharge
4. Unknown because patient moved to a geographic location not served by this agency → Skip to A2123, Provision
of Current Reconciled Medication List to Patient at Discharge
UK Other unknown → Skip to A2123, Provision of Current Reconciled Medication List to Patient at Discharge
1.

A2120. Provision of Current Reconciled Medication List to Subsequent Provider at Transfer
At the time of transfer to another provider, did your agency provide the patient’s current reconciled medication list to the subsequent provider?
Enter
Code

0.
1.
2.

No — Current reconciled medication list not provided to the subsequent provider → Skip to J1800, Any Falls
Since SOC/ROC
Yes — Current reconciled medication list provided to the subsequent provider→ Continue to A2122, Route of
Current Reconciled Medication List Transmission to Subsequent Provider
NA — The agency was not made aware of this transfer timely → Skip to J1800, Any Falls Since SOC/ROC

A2121. Provision of Current Reconciled Medication List to Subsequent Provider at Discharge
At the time of discharge to another provider, did your agency provide the patient’s current reconciled medication list to the subsequent provider?
Enter
Code

0. No — Current reconciled medication list not provided to the subsequent provider → Skip to B1300, Health Literacy
1. Yes — Current reconciled medication list provided to the subsequent provider → Continue to A2122, Route of
Current Reconciled Medication List Transmission to Subsequent Provider

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 6 of 35

A2122. Route of Current Reconciled Medication List Transmission to Subsequent Provider
Indicate the route(s) of transmission of the current reconciled medication list to the subsequent provider.
Route of Transmission
↓

Check all that apply

↓

A. Electronic Health Record
B.

Health Information Exchange

Verbal (e.g., in-person, telephone, video conferencing)

D. Paper-based (e.g., fax, copies, printouts)
E.

Other Methods (e.g., texting, email, CDs)
After completing A2122, Skip to B1300, Health Literacy at Discharge

A2123. Provision of Current Reconciled Medication List to Patient at Discharge
At the time of discharge to another provider, did your agency provide the patient’s current reconciled medication list to the
patient, family, and/or caregiver?
Enter Code

0. No — Current reconciled medication list not provided to the patient, family, and/or caregiver → Skip to
B1300, Health Literacy
1. Yes — Current reconciled medication list provided to the patient, family, and/or caregiver → Continue to
A2124, Route of Current Reconciled Medication List Transmission to Patient

A2124. Route of Current Reconciled Medication List Transmission to Patient
Indicate the route(s) of transmission of the current reconciled medication list to the patient, family, and/or caregiver.
Route of Transmission
↓

Check all that apply

↓

A. Electronic Health Record
B.

Health Information Exchange

Verbal (e.g., in-person, telephone, video conferencing)

D. Paper-based (e.g., fax, copies, printouts)
E.

Other Methods (e.g., texting, email, CDs)

Section B

Hearing, Speech, and Vision

B0200. Hearing
Enter Code

Ability to hear (with hearing aid or hearing appliances if normally used)
0.
1.
2.
3.

Adequate – no difficulty in normal conversation, social interaction, listening to TV
Minimal difficulty – difficulty in some environments (e.g., when person speaks softly, or setting is noisy)
Moderate difficulty – speaker has to increase volume and speak distinctly
Highly impaired – absence of useful hearing

B1000. Vision
Enter Code

Ability to see in adequate light (with glasses or other visual appliances)
0.
1.
2.
3.
4.

Adequate – sees fine detail, such as regular print in newspapers/books
Impaired – sees large print, but not regular print in newspapers/books
Moderately impaired – limited vision; not able to see newspaper headlines but can identify objects
Highly impaired – object identification in question, but eyes appear to follow objects
Severely impaired – no vision or sees only light, colors, or shapes; eyes do not appear to follow objects

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 7 of 35

B1300. Health Literacy (From Creative Commons ©)
How often do you need to have someone help you when you read instructions, pamphlets, or other written material from your
doctor or pharmacy?
Enter Code

Never
Rarely
Sometimes
Often
Always
Patient declines to respond
Patient unable to respond

0.
1.
2.
3.
4.
7.
8.

The Single Item Literacy Screener is licensed under a Creative Commons Attribution Noncommercial 4.0 International License.

Section C

Cognitive Patterns

C0100. Should Brief Interview for Mental Status (C0200-C0500) be Conducted?
Attempt to conduct interview with all patients.
Enter Code

No (patient is rarely/never understood) → Skip to C1310, Signs and Symptoms of Delirium (from CAM ©)

Yes → Continue to C0200, Repetition of Three Words

Brief Interview for Mental Status (BIMS)
C0200. Repetition of Three Words
Enter Code

Ask patient: “I am going to say three words for you to remember. Please repeat the words after I have said all
three. The words are: sock, blue, and bed. Now tell me the three words.”
Number of words repeated after first attempt:
0. None
1. One
2. Two
3. Three
After the patient’s first attempt, repeat the words using cues (“sock, something to wear; blue, a color; bed, a
piece of furniture”). You may repeat the words up to two more times.

C0300. Temporal Orientation (Orientation to year, month, and day)
Enter Code

Ask patient: “Please tell me what year it is right now.”
A.
Able to report the correct year
0. Missed by > 5 years or no answer
1. Missed by 2-5 years
2. Missed by 1 year
3. Correct

Enter Code

Ask patient: “What month are we in right now?”
B.
Able to report the correct month
0. Missed by > 1 month or no answer
1. Missed by 6 days to 1 month
2. Accurate within 5 days

Enter Code

Ask patient: “What day of the week is today?”
C.
Able to report the correct day of the week
0. Incorrect or no answer
1. Correct

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 8 of 35

C0400. Recall
Enter Code

Ask patient: “Let’s go back to an earlier question. What were those three words that I asked you to repeat?”
If unable to remember a word, give cue (something to wear; a color; a piece of furniture) for that word.
A.
Able to recall “sock”
0. No — could not recall
1. Yes, after cueing (“something to wear”)
2. Yes, no cue required

Enter Code

Able to recall “blue”
0. No — could not recall
1. Yes, after cueing (“a color”)
2. Yes, no cue required

Enter Code

Able to recall “bed”
0. No — could not recall
1. Yes, after cueing (“a piece of furniture”)
2. Yes, no cue required

C0500. BIMS Summary Score
Enter Code

Add scores for questions C0200-C0400 and fill in total score (00-15)
Enter 99 if the patient was unable to complete the interview

C1310. Signs and Symptoms of Delirium (from CAM©)
Code after completing Brief Interview for Mental Status and reviewing medical record.
A. Acute Onset of Mental Status Change
Enter Code

Is there evidence of an acute change in mental status from the patient’s baseline?
0. No
1. Yes

Coding

↓

Behavior not present

Behavior continually
present, does not fluctuate

Behavior present, fluctuates
(comes and goes, changes in
severity)

Enter codes in boxes
B.

Inattention – Did the patient have difficulty focusing attention, for
example, being easily distractible or having difficulty keeping track
of what was being said?

Disorganized thinking – Was the patient’s thinking disorganized or
incoherent (rambling or irrelevant conversation, unclear or illogical
flow of ideas, or unpredictable switching from subject to subject)?

D. Altered level of consciousness — Did the patient have altered level
of consciousness, as indicated by any of the following criteria?
•
•
•
•

vigilant — startled easily to any sound or touch
lethargic — repeatedly dozed off when being asked questions,
but responded to voice or touch
stuporous — very difficult to arouse and keep aroused for the
interview
comatose — could not be aroused

Adapted from: Inouye SK, et al. Ann Intern Med. 1990; 113: 941-948. Confusion Assessment Method. Copyright 2003, Hospital Elder
Life Program, LLC. Not to be reproduced without permission.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 9 of 35

M1700. Cognitive Functioning
Patient’s current (day of assessment) level of alertness, orientation, comprehension, concentration, and immediate memory for
simple commands.
Enter Code

0.
1.
2.
3.
4.

Alert/oriented, able to focus and shift attention, comprehends and recalls task directions independently.
Requires prompting (cueing, repetition, reminders) only under stressful or unfamiliar conditions.
Requires assistance and some direction in specific situations (for example, on all tasks involving shifting of
attention) or consistently requires low stimulus environment due to distractibility.
Requires considerable assistance in routine situations. Is not alert and oriented or is unable to shift
attention and recall directions more than half the time.
Totally dependent due to disturbances such as constant disorientation, coma, persistent vegetative state,
or delirium.

M1710. When Confused
(Reported or Observed Within the Last 14 Days):
Enter Code

0.
1.
2.
3.
4.
NA

Never
In new or complex situations only
On awakening or at night only
During the day and evening, but not constantly
Constantly
Patient nonresponsive

M1720. When Anxious
(Reported or Observed Within the Last 14 Days):
Enter Code

0.
1.
2.
3.
NA

None of the time
Less than often daily
Daily, but not constantly
All of the time
Patient nonresponsive

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 10 of 35

Section D

Mood

D0150. Patient Mood Interview (PHQ-2 to 9)
Determine if the patient is rarely/never understood verbally, in writing, or using another method. If rarely/never understood, code
D0150A1 and D0150B1 as 9, No response, leave D0150A2 and D0150B2 blank, end the PHQ-2 interview, and leave D0160, Total
Severity Score blank. Otherwise, say to patient: “Over the last 2 weeks, have you been bothered by any of the following
problems?”
If symptom is present, enter 1 (yes) in column 1, Symptom Presence.
If yes in column 1, then ask the patient: “About how often have you been bothered by this?”
Read and show the patient a card with the symptom frequency choices. Indicate response in column 2, Symptom Frequency.
1.

Symptom Presence
0. No (enter 0 in column 2)
1. Yes (enter 0-3 in column 2)
9. No response (leave column
2 blank)

Symptom Frequency
0. Never or 1 day
1. 2-6 days (several days)
2. 7-11 days (half or more of the days)
3. 12-14 days (nearly every day)

1.
Symptom
Presence

2.
Symptom
Frequency

↓Enter Scores in Boxes↓

A. Little interest or pleasure in doing things
B. Feeling down, depressed, or hopeless
If both D0150A1 and D0150B1 are coded 9, OR both D0150A2 and D0150B2 are coded 0 or 1, END the PHQ interview; otherwise,
continue.
C.

Trouble falling or staying asleep, or sleeping too much

D. Feeling tired or having little energy
E.

Poor appetite or overeating

Feeling bad about yourself — or that you are a failure or have let yourself or your family down

G. Trouble concentrating on things, such as reading the newspaper or watching television
H. Moving or speaking so slowly that the other people could have noticed. Or the opposite —
being so fidgety or restless that you have been moving around a lot more than usual
I.

Thoughts that you would be better off dead, or of hurting yourself in some way

Copyright © Pfizer Inc. All rights reserved. Reproduced with permission.
D0160. Total Severity Score
Enter Score Add scores for all frequency responses in Column 2, Symptom Frequency. Total score must be between 00 and 27.
Enter 99 if unable to complete interview (i.e., Symptom Frequency is blank for 3 or more required items)

D0700. Social Isolation
How often do you feel lonely or isolated from those around you?
Enter Code

0.
1.
2.
3.
4.
7.
8.

Never
Rarely
Sometimes
Often
Always
Patient declines to respond
Patient unable to respond

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 11 of 35

Section E

Behavior

M1740. Cognitive, Behavioral, and Psychiatric Symptoms that are demonstrated at least once a week (Reported or Observed):
↓

Check all that apply
1.

Memory deficit: failure to recognize familiar persons/places, inability to recall events of past 24 hours,
significant memory loss so that supervision is required

Impaired decision-making: failure to perform usual ADLs or IADLs, inability to appropriately stop activities,
jeopardizes safety through actions

Verbal disruption: yelling, threatening, excessive profanity, sexual references, etc.

Physical aggression: aggressive or combative to self and others (for example, hits self, throws objects, punches,
dangerous maneuvers with wheelchair or other objects)

Disruptive, infantile, or socially inappropriate behavior (excludes verbal actions)

Delusional, hallucinatory, or paranoid behavior

None of the above behaviors demonstrated

M1745. Frequency of Disruptive Behavior Symptoms (Reported or Observed):
Any physical, verbal, or other disruptive/dangerous symptoms that are injurious to self or others or jeopardize personal safety.
Enter Code

Section F

0.
1.
2.
3.
4.
5.

Never
Less than once a month
Once a month
Several times each month
Several times a week
At least daily

Preferences for Customary Routine and Activities

M1100. Patient Living Situation
Which of the following best describes the patient’s residential circumstance and availability of assistance?
Availability of Assistance
Living Arrangement

Around the
Clock

Regular
Daytime
↓

Regular Nighttime
Check one box only

Occasional/
Short-Term
Assistance

No Assistance
Available

↓

A. Patient lives alone
B.
C.

Patient lives with other
person(s) in the home
Patient lives in congregate
situation (for example,
assisted living, residential
care home)

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 12 of 35

SOC/ROC
M2102. Types and Sources of Assistance
Determine the ability and willingness of non-agency caregivers (such as family members, friends, or privately paid caregivers) to
provide assistance for the following activities, if assistance is needed. Excludes all care by your agency staff.
Enter Code

Supervision and safety (due to cognitive impairment)
0. No assistance needed — patient is independent or does not have needs in this area
1. Non-agency caregiver(s) currently provide assistance
2. Non-agency caregiver(s) need training/supportive services to provide assistance
3. Non-agency caregiver(s) are not likely to provide assistance OR it is unclear if they will provide
assistance
4. Assistance needed, but no non-agency caregiver(s) available

Discharge
M2102. Types and Sources of Assistance
Determine the ability and willingness of non-agency caregivers (such as family members, friends, or privately paid caregivers) to
provide assistance for the following activities, if assistance is needed. Excludes all care by your agency staff.
Enter Code

ADL assistance (for example, transfer/ambulation, bathing, dressing, toileting, eating/feeding)
0. No assistance needed — patient is independent or does not have needs in this area
1. Non-agency caregiver(s) currently provide assistance
2. Non-agency caregiver(s) need training/supportive services to provide assistance
3. Non-agency caregiver(s) are not likely to provide assistance OR it is unclear if they will provide
assistance
4. Assistance needed, but no non-agency caregiver(s) available

Enter Code

Medication administration (for example, oral, inhaled, or injectable)
0. No assistance needed — patient is independent or does not have needs in this area
1. Non-agency caregiver(s) currently provide assistance
2. Non-agency caregiver(s) need training/supportive services to provide assistance
3. Non-agency caregiver(s) are not likely to provide assistance OR it is unclear if they will provide
assistance
4. Assistance needed, but no non-agency caregiver(s) available

Enter Code

Medical procedures/treatments (for example, changing wound dressing, home exercise program)
0. No assistance needed — patient is independent or does not have needs in this area
1. Non-agency caregiver(s) currently provide assistance
2. Non-agency caregiver(s) need training/supportive services to provide assistance
3. Non-agency caregiver(s) are not likely to provide assistance OR it is unclear if they will provide
assistance
4. Assistance needed, but no non-agency caregiver(s) available

Enter Code

Section G

Functional Status

M1800. Grooming
Current ability to tend safely to personal hygiene needs (specifically: washing face and hands, hair care, shaving or make up, teeth
or denture care, or fingernail care).
Enter Code

0.
1.
2.
3.

Able to groom self unaided, with or without the use of assistive devices or adapted methods.
Grooming utensils must be placed within reach before able to complete grooming activities.
Someone must assist the patient to groom self.
Patient depends entirely upon someone else for grooming needs.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 13 of 35

M1810. Current Ability to Dress Upper Body safely (with or without dressing aids) including undergarments, pullovers,
front-opening shirts and blouses, managing zippers, buttons, and snaps.
Enter Code

0.
1.
2.
3.

Able to get clothes out of closets and drawers, put them on and remove them from the upper body
without assistance.
Able to dress upper body without assistance if clothing is laid out or handed to the patient.
Someone must help the patient put on upper body clothing.
Patient depends entirely upon another person to dress the upper body.

M1820. Current Ability to Dress Lower Body safely (with or without dressing aids) including undergarments, slacks, socks or
nylons, shoes.
Enter Code

0.
1.
2.
3.

Able to obtain, put on, and remove clothing and shoes without assistance.
Able to dress lower body without assistance if clothing and shoes are laid out or handed to the patient.
Someone must help the patient put on undergarments, slacks, socks or nylons, and shoes.
Patient depends entirely upon another person to dress lower body.

M1830. Bathing
Current ability to wash entire body safely. Excludes grooming (washing face, washing hands, and shampooing hair).
Enter Code

0.
1.
2.

3.
4.
5.
6.

Able to bathe self in shower or tub independently, including getting in and out of tub/shower.
With the use of devices, is able to bathe self in shower or tub independently, including getting in and out
of the tub/shower.
Able to bathe in shower or tub with the intermittent assistance of another person:
a. for intermittent supervision or encouragement or reminders, OR
b. to get in and out of the shower or tub, OR
c. for washing difficult to reach areas.
Able to participate in bathing self in shower or tub, but requires presence of another person throughout
the bath for assistance or supervision.
Unable to use the shower or tub, but able to bathe self independently with or without the use of devices
at the sink, in chair, or on commode.
Unable to use the shower or tub, but able to participate in bathing self in bed, at the sink, in bedside
chair, or on commode, with the assistance or supervision of another person.
Unable to participate effectively in bathing and is bathed totally by another person.

M1840. Toilet Transferring
Current ability to get to and from the toilet or bedside commode safely and transfer on and off toilet/commode.
Enter Code

0.
1.
2.
3.
4.

Able to get to and from the toilet and transfer independently with or without a device.
When reminded, assisted, or supervised by another person, able to get to and from the toilet and transfer.
Unable to get to and from the toilet but is able to use a bedside commode (with or without assistance).
Unable to get to and from the toilet or bedside commode but is able to use a bedpan/urinal
independently.
Is totally dependent in toileting.

M1845. Toileting Hygiene
Current ability to maintain perineal hygiene safely, adjust clothes and/or incontinence pads before and after using toilet,
commode, bedpan, urinal. If managing ostomy, includes cleaning area around stoma, but not managing equipment.
Enter Code

0.
1.
2.
3.

Able to manage toileting hygiene and clothing management without assistance.
Able to manage toileting hygiene and clothing management without assistance if supplies/implements
are laid out for the patient.
Someone must help the patient to maintain toileting hygiene and/or adjust clothing.
Patient depends entirely upon another person to maintain toileting hygiene.

M1850. Transferring
Current ability to move safely from bed to chair, or ability to turn and position self in bed if patient is bedfast.
Enter Code

0.
1.
2.
3.
4.
5.

Able to independently transfer.
Able to transfer with minimal human assistance or with use of an assistive device.
Able to bear weight and pivot during the transfer process but unable to transfer self.
Unable to transfer self and is unable to bear weight or pivot when transferred by another person.
Bedfast, unable to transfer but is able to turn and position self in bed.
Bedfast, unable to transfer and is unable to turn and position self.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 14 of 35

M1860. Ambulation/Locomotion
Current ability to walk safely, once in a standing position, or use a wheelchair, once in a seated position, on a variety of surfaces.
Enter Code

0.
1.
2.
3.
4.
5.
6.

Able to independently walk on even and uneven surfaces and negotiate stairs with or without railings
(specifically: needs no human assistance or assistive device).
With the use of a one-handed device (for example, cane, single crutch, hemi-walker), able to
independently walk on even and uneven surfaces and negotiate stairs with or without railings.
Requires use of a two-handed device (for example, walker or crutches) to walk alone on a level surface
and/or requires human supervision or assistance to negotiate stairs or steps or uneven surfaces.
Able to walk only with the supervision or assistance of another person at all times.
Chairfast, unable to ambulate but is able to wheel self independently.
Chairfast, unable to ambulate and is unable to wheel self.
Bedfast, unable to ambulate or be up in a chair.

Section GG Functional Abilities
GG0100. Prior Functioning: Everyday Activities
Indicate the patient’s usual ability with everyday activities prior to the current illness, exacerbation, or injury.
↓ Enter code in boxes
Coding:
3. Independent – Patient completed all the activities by
themself, with or without an assistive device, with no
assistance from a helper.
2. Needed Some Help – Patient needed partial assistance
from another person to complete any activities.
1. Dependent – A helper completed all the activities for
the patient.
8. Unknown
9. Not Applicable

A. Self Care: Code the patient’s need
for assistance with bathing, dressing,
using the toilet, and eating prior to
the current illness, exacerbation, or
injury.
B.

Indoor Mobility (Ambulation): Code
the patient’s need for assistance with
walking from room to room (with or
without a device such as cane, crutch
or walker) prior to the current illness,
exacerbation, or injury.

Stairs: Code the patient’s need for
assistance with internal or external
stairs (with or without a device such
as cane, crutch, or walker) prior to
the current illness, exacerbation, or
injury.

D. Functional Cognition: Code the
patient’s need for assistance with
planning regular tasks, such as
shopping or remembering to take
medication prior to the
current illness, exacerbation, or
injury.
GG0110. Prior Device Use
Indicate devices and aids used by the patient prior to the current illness, exacerbation, or injury.
↓

Check all that apply
A. Manual wheelchair
B.

Motorized wheelchair and/or scooter

Mechanical lift

D. Walker
E.

Orthotics/prosthetics

None of the above

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 15 of 35

SOC/ROC
GG0130. Self-Care
Code the patient’s usual performance at SOC/ROC for each activity using the 6-point scale. If activity was not attempted at SOC/
ROC, code the reason.
Coding:
Safety and Quality of Performance – If helper assistance is required because patient’s performance is unsafe or of poor quality,
score according to amount of assistance provided.
Activities may be completed with or without assistive devices.
06. Independent – Patient completes the activity by themself with no assistance from a helper.
05. Setup or clean-up assistance – Helper sets up or cleans up; patient completes activity. Helper assists only prior to or
following the activity.
04. Supervision or touching assistance – Helper provides verbal cues and/or touching/steadying and/or contact guard
assistance as patient completes activity. Assistance may be provided throughout the activity or intermittently.
03. Partial/moderate assistance – Helper does LESS THAN HALF the effort. Helper lifts, holds or supports trunk or limbs,
but provides less than half the effort.
02. Substantial/maximal assistance – Helper does MORE THAN HALF the effort. Helper lifts or holds trunk or limbs and
provides more than half the effort.
01. Dependent – Helper does ALL of the effort. Patient does none of the effort to complete the activity. Or, the assistance
of 2 or more helpers is required for the patient to complete the activity.
If activity was not attempted, code reason:
07. Patient refused
09. Not applicable – Not attempted and the patient did not perform this activity prior to the current illness, exacerbation
or injury.
10. Not attempted due to environmental limitations (e.g., lack of equipment, weather constraints)
88. Not attempted due to medical conditions or safety concerns
1.
SOC/ROC
Performance
Enter Codes
in Boxes
↓
A. Eating: The ability to use suitable utensils to bring food and/or liquid to the mouth and swallow food and/or
liquid once the meal is placed before the patient.
B.

Oral Hygiene: The ability to use suitable items to clean teeth. Dentures (if applicable): The ability to insert
and remove dentures into and from mouth, and manage denture soaking and rinsing with use of equipment.

Toileting Hygiene: The ability to maintain perineal hygiene, adjust clothes before and after voiding or having a
bowel movement. If managing an ostomy, include wiping the opening but not managing equipment.

Shower/bathe self: The ability to bathe self, including washing, rinsing, and drying self (excludes washing of
back and hair). Does not include transferring in/out of tub/shower.

Upper body dressing: The ability to dress and undress above the waist; including fasteners, if applicable

G. Lower body dressing: The ability to dress and undress below the waist, including fasteners; does not include
footwear.
H. Putting on/taking off footwear: The ability to put on and take off socks and shoes or other footwear that is
appropriate for safe mobility; including fasteners, if applicable.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 16 of 35

Follow-up
GG0130. Self-Care
Code the patient’s usual performance at Follow-up for each activity using the 6-point scale. If activity was not attempted at
Follow-up, code the reason.
Coding:
Safety and Quality of Performance – If helper assistance is required because patient’s performance is unsafe or of poor quality,
score according to amount of assistance provided.
Activities may be completed with or without assistive devices.
06. Independent – Patient completes the activity by themself with no assistance from a helper.
05. Setup or clean-up assistance – Helper sets up or cleans up; patient completes activity. Helper assists only prior to or
following the activity.
04. Supervision or touching assistance – Helper provides verbal cues and/or touching/steadying and/or contact guard
assistance as patient completes activity. Assistance may be provided throughout the activity or intermittently.
03. Partial/moderate assistance – Helper does LESS THAN HALF the effort. Helper lifts, holds or supports trunk or limbs,
but provides less than half the effort.
02. Substantial/maximal assistance – Helper does MORE THAN HALF the effort. Helper lifts or holds trunk or limbs and
provides more than half the effort.
01. Dependent – Helper does ALL of the effort. Patient does none of the effort to complete the activity. Or, the assistance
of 2 or more helpers is required for the patient to complete the activity.
If activity was not attempted, code reason:
07. Patient refused
09. Not applicable – Not attempted and the patient did not perform this activity prior to the current illness, exacerbation
or injury.
10. Not attempted due to environmental limitations (e.g., lack of equipment, weather constraints)
88. Not attempted due to medical conditions or safety concerns
4.
Follow-up
Performance
Enter Codes in
Boxes
↓
A. Eating: The ability to use suitable utensils to bring food and/or liquid to the mouth and swallow food
and/or liquid once the meal is placed before the patient.
B.

Oral Hygiene: The ability to use suitable items to clean teeth. Dentures (if applicable): The ability to
insert and remove dentures into and from mouth, and manage denture soaking and rinsing with use of
equipment.

Toileting Hygiene: The ability to maintain perineal hygiene, adjust clothes before and after voiding
or having a bowel movement. If managing an ostomy, include wiping the opening but not managing
equipment.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 17 of 35

Discharge
GG0130. Self-Care
Code the patient’s usual performance at Discharge for each activity using the 6-point scale. If activity was not attempted at Discharge, code the reason.
Coding:
Safety and Quality of Performance – If helper assistance is required because patient’s performance is unsafe or of poor quality,
score according to amount of assistance provided.
Activities may be completed with or without assistive devices.
06. Independent – Patient completes the activity by themself with no assistance from a helper.
05. Setup or clean-up assistance – Helper sets up or cleans up; patient completes activity. Helper assists only prior to or
following the activity.
04. Supervision or touching assistance – Helper provides verbal cues and/or touching/steadying and/or contact guard
assistance as patient completes activity. Assistance may be provided throughout the activity or intermittently.
03. Partial/moderate assistance – Helper does LESS THAN HALF the effort. Helper lifts, holds or supports trunk or limbs,
but provides less than half the effort.
02. Substantial/maximal assistance – Helper does MORE THAN HALF the effort. Helper lifts or holds trunk or limbs and
provides more than half the effort.
01. Dependent – Helper does ALL of the effort. Patient does none of the effort to complete the activity. Or, the assistance
of 2 or more helpers is required for the patient to complete the activity.
If activity was not attempted, code reason:
07. Patient refused
09. Not applicable – Not attempted and the patient did not perform this activity prior to the current illness, exacerbation
or injury.
10. Not attempted due to environmental limitations (e.g., lack of equipment, weather constraints)
88. Not attempted due to medical conditions or safety concerns
3.
Discharge
Performance
Enter Codes in
Boxes
↓
A. Eating: The ability to use suitable utensils to bring food and/or liquid to the mouth and swallow food
and/or liquid once the meal is placed before the patient.
B.

Oral Hygiene: The ability to use suitable items to clean teeth. Dentures (if applicable): The ability to
insert and remove dentures into and from mouth, and manage denture soaking and rinsing with use of
equipment.

Toileting Hygiene: The ability to maintain perineal hygiene, adjust clothes before and after voiding
or having a bowel movement. If managing an ostomy, include wiping the opening but not managing
equipment.

Shower/bathe self: The ability to bathe self, including washing, rinsing, and drying self (excludes washing of back and hair). Does not include transferring in/out of tub/shower.

Upper body dressing: The ability to dress and undress above the waist; including fasteners, if applicable

G. Lower body dressing: The ability to dress and undress below the waist, including fasteners; does not
include footwear.
H. Putting on/taking off footwear: The ability to put on and take off socks and shoes or other footwear
that is appropriate for safe mobility; including fasteners, if applicable.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 18 of 35

SOC/ROC
GG0170. Mobility
Code the patient’s usual performance at SOC/ROC for each activity using the 6-point scale. If activity was not attempted at SOC/
ROC, code the reason.
Coding:
Safety and Quality of Performance – If helper assistance is required because patient’s performance is unsafe or of poor quality,
score according to amount of assistance provided.
Activities may be completed with or without assistive devices.
06. Independent – Patient completes the activity by themself with no assistance from a helper.
05. Setup or clean-up assistance – Helper sets up or cleans up; patient completes activity. Helper assists only prior to or
following the activity.
04. Supervision or touching assistance – Helper provides verbal cues and/or touching/steadying and/or contact guard
assistance as patient completes activity. Assistance may be provided throughout the activity or intermittently.
03. Partial/moderate assistance – Helper does LESS THAN HALF the effort. Helper lifts, holds or supports trunk or limbs,
but provides less than half the effort.
02. Substantial/maximal assistance – Helper does MORE THAN HALF the effort. Helper lifts or holds trunk or limbs and
provides more than half the effort.
01. Dependent – Helper does ALL of the effort. Patient does none of the effort to complete the activity. Or, the assistance
of 2 or more helpers is required for the patient to complete the activity.
If activity was not attempted, code reason:
07. Patient refused
09. Not applicable – Not attempted and the patient did not perform this activity prior to the current illness, exacerbation
or injury.
10. Not attempted due to environmental limitations (e.g., lack of equipment, weather constraints)
88. Not attempted due to medical conditions or safety concerns
1.
SOC/ROC
Performance
Enter Codes
in Boxes
↓
A. Roll left and right: The ability to roll from lying on back to left and right side, and return to lying on back on
the bed.
B.

Sit to lying: The ability to move from sitting on side of bed to lying flat on the bed.

Lying to sitting on side of bed: The ability to move from lying on the back to sitting on the side of the bed
with no back support.

D. Sit to stand: The ability to come to a standing position from sitting in a chair, wheelchair, or on the side of the
bed.
E.

Chair/bed-to-chair transfer The ability to transfer to and from a bed to a chair (or wheelchair).

Toilet transfer: The ability to get on and off a toilet or commode.

G. Car transfer: The ability to transfer in and out of a car or van on the passenger side. Does not include the
ability to open/close door or fasten seat belt.
I. Walk 10 feet: Once standing, the ability to walk at least 10 feet in a room, corridor, or similar space.
If SOC/ROC performance is coded 07, 09, 10 or 88 → Skip to GG0170M, 1 step (curb)
J.

Walk 50 feet with two turns: Once standing, the ability to walk 50 feet and make two turns.

Walk 150 feet: Once standing, the ability to walk at least 150 feet in a corridor or similar space.

Walking 10 feet on uneven surfaces: The ability to walk 10 feet on uneven or sloping surfaces (indoor or
outdoor), such as turf or gravel.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 19 of 35

SOC/ROC GG0170. Mobility — Continued
1.
SOC/ROC
Performance
Enter Codes
in Boxes
↓
M. 1 step (curb): The ability to go up and down a curb or up and down one step.
If Follow-up performance is coded 07, 09, 10 or 88 → Skip to GG0170P, Picking up object.
N. 4 steps: The ability to go up and down four steps with or without a rail.
If SOC/ROC performance is coded 07, 09, 10 or 88 → Skip to GG0170P, Picking up object.
O. 12 steps: The ability to go up and down 12 steps with or without a rail.
P.

Picking up object: The ability to bend/stoop from a standing position to pick up a small object, such as a
spoon, from the floor.
Q. Does patient use wheelchair and/or scooter?

No → Skip to M1600, Urinary Tract Infection

Yes → Continue to GG170R, Wheel 50 feet with two turns

Wheel 50 feet with two turns: Once seated in wheelchair/scooter, the ability to wheel at least 50 feet and
make two turns.
RR1. Indicate the type of wheelchair or scooter used

Manual

Motorized

Wheel 150 feet: Once seated in wheelchair/scooter, the ability to wheel at least 150 feet in a corridor or
similar space.
SS1. Indicate the type of wheelchair or scooter used
1.

Manual

Motorized

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 20 of 35

Follow-up
GG0170. Mobility
Code the patient’s usual performance at Follow-up for each activity using the 6-point scale. If activity was not attempted at Follow-up code the reason.
Coding:
Safety and Quality of Performance – If helper assistance is required because patient’s performance is unsafe or of poor quality,
score according to amount of assistance provided.
Activities may be completed with or without assistive devices.
06. Independent – Patient completes the activity by themself with no assistance from a helper.
05. Setup or clean-up assistance – Helper sets up or cleans up; patient completes activity. Helper assists only prior to or
following the activity.
04. Supervision or touching assistance – Helper provides verbal cues and/or touching/steadying and/or contact guard
assistance as patient completes activity. Assistance may be provided throughout the activity or intermittently.
03. Partial/moderate assistance – Helper does LESS THAN HALF the effort. Helper lifts, holds or supports trunk or limbs,
but provides less than half the effort.
02. Substantial/maximal assistance – Helper does MORE THAN HALF the effort. Helper lifts or holds trunk or limbs and
provides more than half the effort.
01. Dependent – Helper does ALL of the effort. Patient does none of the effort to complete the activity. Or, the assistance
of 2 or more helpers is required for the patient to complete the activity.
If activity was not attempted, code reason:
07. Patient refused
09. Not applicable – Not attempted and the patient did not perform this activity prior to the current illness, exacerbation
or injury.
10. Not attempted due to environmental limitations (e.g., lack of equipment, weather constraints)
88. Not attempted due to medical conditions or safety concerns
4.
Follow-up
Performance
Enter Codes in
Boxes
↓
A. Roll left and right: The ability to roll from lying on back to left and right side, and return to lying on
back on the bed.
B.

Sit to lying: The ability to move from sitting on side of bed to lying flat on the bed.

Lying to sitting on side of bed: The ability to move from lying on the back to sitting on the side of the
bed with no back support.

D. Sit to stand: The ability to come to a standing position from sitting in a chair, wheelchair, or on the
side of the bed.
E.

Chair/bed-to-chair transfer: The ability to transfer to and from a bed to a chair (or wheelchair).

Toilet transfer: The ability to get on and off a toilet or commode

I. Walk 10 feet: Once standing, the ability to walk at least 10 feet in a room, corridor, or similar space.
If Follow-up performance is coded 07, 09, 10 or 88 → Skip to GG0170M, 1 step (curb)
J.

Walk 50 feet with two turns: Once standing, the ability to walk 50 feet and make two turns.

Walking 10 feet on uneven surfaces: The ability to walk 10 feet on uneven or sloping surfaces (indoor
or outdoor), such as turf or gravel.

M. 1 step (curb): The ability to go up and down a curb or up and down one step.
If Follow-up performance is coded 07, 09, 10 or 88 → Skip to GG0170P, Picking up object.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 21 of 35

Follow-up GG0170. Mobility — Continued
4.
Follow-up
Performance
Enter Codes in
Boxes
↓
N. 4 steps: The ability to go up and down four steps with or without a rail.
Does patient use wheelchair and/or scooter?
0. No → Skip to M1033, Risk of Hospitalization
1. Yes → Continue to GG170R, Wheel 50 feet with two turns
R.

Wheel 50 feet with two turns: Once seated in wheelchair/scooter, the ability to wheel at least 50 feet
and make two turns.

Discharge
GG0170. Mobility
Code the patient’s usual performance at Discharge for each activity using the 6-point scale. If activity was not attempted at
Discharge, code the reason.
Coding:
Safety and Quality of Performance – If helper assistance is required because patient’s performance is unsafe or of poor quality,
score according to amount of assistance provided.
Activities may be completed with or without assistive devices.
06. Independent – Patient completes the activity by themself with no assistance from a helper.
05. Setup or clean-up assistance – Helper sets up or cleans up; patient completes activity. Helper assists only prior to or
following the activity.
04. Supervision or touching assistance – Helper provides verbal cues and/or touching/steadying and/or contact guard
assistance as patient completes activity. Assistance may be provided throughout the activity or intermittently.
03. Partial/moderate assistance – Helper does LESS THAN HALF the effort. Helper lifts, holds or supports trunk or limbs,
but provides less than half the effort.
02. Substantial/maximal assistance – Helper does MORE THAN HALF the effort. Helper lifts or holds trunk or limbs and
provides more than half the effort.
01. Dependent – Helper does ALL of the effort. Patient does none of the effort to complete the activity. Or, the assistance
of 2 or more helpers is required for the patient to complete the activity.
If activity was not attempted, code reason:
07. Patient refused
09. Not applicable – Not attempted and the patient did not perform this activity prior to the current illness, exacerbation
or injury.
10. Not attempted due to environmental limitations (e.g., lack of equipment, weather constraints)
88. Not attempted due to medical conditions or safety concerns
3. Discharge
Performance
Enter Codes
in Boxes
↓
A. Roll left and right: The ability to roll from lying on back to left and right side, and return to lying on back on
the bed.
B.

Sit to lying: The ability to move from sitting on side of bed to lying flat on the bed.

Lying to sitting on side of bed: The ability to move from lying on the back to sitting on the side of the bed
with no back support.

D. Sit to stand: The ability to come to a standing position from sitting in a chair, wheelchair, or on the side of the
bed.
OASIS-E1 All Items Effective 01/01/2025
Page 22 of 35
Centers for Medicare & Medicaid Services

Discharge GG0170. Mobility — Continued
E.

Chair/bed-to-chair transfer: The ability to transfer to and from a bed to a chair (or wheelchair).

Toilet transfer: The ability to get on and off a toilet or commode.

G. Car transfer: The ability to transfer in and out of a car or van on the passenger side. Does not include the
ability to open/close door or fasten seat belt.
I.

Walk 10 feet: Once standing, the ability to walk at least 10 feet in a room, corridor, or similar space. If
Discharge performance is coded 07, 09, 10 or 88 → Skip to GG0170M, 1 step (curb)

Walk 50 feet with two turns: Once standing, the ability to walk 50 feet and make two turns.

Walk 150 feet: Once standing, the ability to walk at least 150 feet in a corridor or similar space.

Walking 10 feet on uneven surfaces: The ability to walk 10 feet on uneven or sloping surfaces (indoor or
outdoor), such as turf or gravel.

M. 1 step (curb): The ability to go up and down a curb or up and down one step.
If Discharge performance is coded 07, 09, 10 or 88 → Skip to GG0170P, Picking up object.
N. 4 steps: The ability to go up and down four steps with or without a rail.
If Discharge performance is coded 07, 09, 10 or 88 → Skip to GG0170P, Picking up object.
O. 12 steps: The ability to go up and down 12 steps with or without a rail.
Picking up object: The ability to bend/stoop from a standing position to pick up a small object, such as a
spoon, from the floor.

Q. Does patient use wheelchair and/or scooter?
0.

No → Skip to M1600, Urinary Tract Infection

Yes → Continue to GG170R, Wheel 50 feet with two turns

Wheel 50 feet with two turns: Once seated in wheelchair/scooter, the ability to wheel at least 50 feet and
make two turns.

RR1. Indicate the type of wheelchair or scooter used
1.

Manual

Motorized

Wheel 150 feet: Once seated in wheelchair/scooter, the ability to wheel at least 150 feet in a corridor or
similar space.

SS1. Indicate the type of wheelchair or scooter used

Section H

Manual

Motorized

Bladder and Bowel

M1600. Has this patient been treated for a Urinary Tract Infection in the past 14 days?
Enter Code

0.
1.
NA
UK

No
Yes
Patient on prophylactic treatment
Unknown [Omit “UK” option on DC]

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 23 of 35

M1610. Urinary Incontinence or Urinary Catheter Presence
Enter Code

0.
1.
2.

No incontinence or catheter (includes anuria or ostomy for urinary drainage)
Patient is incontinent
Patient requires a urinary catheter (specifically: external, indwelling, intermittent, or suprapubic)

M1620. Bowel Incontinence Frequency
Enter Code

0.
1.
2.
3.
4.
5.
NA
UK

Very rarely or never has bowel incontinence
Less than once weekly
One to three times weekly
Four to six times weekly
On a daily basis
More often than once daily
Patient has ostomy for bowel elimination
Unknown [Omit “UK” option on DC]

M1630. Ostomy for Bowel Elimination
Does this patient have an ostomy for bowel elimination that (within the last 14 days): a) was related to an inpatient facility stay; or
b) necessitated a change in medical or treatment regimen?
Enter Code

0.
1.
2.

Section I

Patient does not have an ostomy for bowel elimination.
Patient’s ostomy was not related to an inpatient stay and did not necessitate change in medical or
treatment regimen.
The ostomy was related to an inpatient stay or did necessitate change in medical or treatment regimen.

Active Diagnoses

M1021. Primary Diagnosis & M1023. Other Diagnoses
Column 1
Diagnoses (Sequencing of diagnoses should reflect the seriousness of each condition and support the disciplines and services
provided)

Column 2
ICD-10-CM and symptom control rating for each condition. Note
that the sequencing of these ratings may not match the sequencing of the diagnoses

M1021. Primary Diagnosis
V, W, X, Y codes NOT allowed
a.

____________________________________________

M1023. Other Diagnoses
All ICD-10-CM codes allowed
b.

____________________________________________

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 24 of 35

M1028. Active Diagnoses – Comorbidities and Co-existing Conditions
↓

Check all that apply
1.

Peripheral Vascular Disease (PVD) or Peripheral Artery Disease (PAD)

Diabetes Mellitus (DM)

None of the above

Section J

Health Conditions

M1033. Risk for Hospitalization
Which of the following signs or symptoms characterize this patient as at risk for hospitalization?
↓

Check all that apply
1.

History of falls (2 or more falls — or any fall with an injury — in the past 12 months)

Unintentional weight loss of a total of 10 pounds or more in the last 12 months

Multiple hospitalizations (2 or more) in the past 6 months

Multiple emergency department visits (2 or more) in the past 6 months

Decline in mental, emotional, or behavioral status in the past 3 months

Reported or observed history of difficulty complying with any medical instructions (for example, medications, diet, exercise) in the past 3 months

Currently taking 5 or more medications

Currently reports exhaustion

Other risk(s) not listed in 1-8

10. None of the above
J0510. Pain Effect on Sleep
Enter Code

Ask patient: “Over the past 5 days, how much of the time has pain made it hard for you to sleep at night?”
0. Does not apply — I have not had any pain or hurting in the past 5 days → Skip to M1400, Short of
Breath at SOC/ROC; Skip to J1800, Any Falls Since SOC/ROC at DC
1. Rarely or not at all
2. Occasionally
3. Frequently
4. Almost constantly
8. Unable to answer

J0520. Pain Interference with Therapy Activities
Enter Code

Ask patient: “Over the past 5 days, how often have you limited your participation in rehabilitation therapy
sessions due to pain?”
0. Does not apply — I have not received rehabilitation therapy in the past 5 days
1. Rarely or not at all
2. Occasionally
3. Frequently
4. Almost constantly
8. Unable to answer

J0530. Pain Interference with Day-to-Day Activities
Enter Code

Ask patient: “Over the past 5 days, how often you have limited your day-to-day activities (excluding
rehabilitation therapy sessions) because of pain?”
1. Rarely or not at all
2. Occasionally
3. Frequently
4. Almost constantly
8. Unable to answer

J1800. Any Falls Since SOC/ROC, whichever is more recent
Enter Code

Has the patient had any falls since SOC/ROC, whichever is more recent?
0. No → Skip to M1400, Short of Breath at DC; Skip to M2005, Medication Intervention at TRN and DAH
1. Yes → Continue to J1900, Number of Falls Since SOC/ROC

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 25 of 35

J1900. Number of Falls Since SOC/ROC, whichever is more recent
↓ Enter code in boxes
A. No injury: No evidence of any injury is noted on physical assessment by
the nurse or primary care clinician; no complaints of pain or injury by the
patient; no change in the patient’s behavior is noted after the fall

Coding:
0. None
1. One
2. Two or more

Injury (except major): Skin tears, abrasions, lacerations, superficial bruises,
hematomas, and sprains; or any fall-related injury that causes the patient to
complain of pain

Major injury: Bone fractures, joint dislocations, closed head injuries with
altered consciousness, subdural hematoma

M1400. When is the patient dyspneic or noticeably Short of Breath?
Enter Code

0.
1.
2.
3.
4.

Section K

Patient is not short of breath
When walking more than 20 feet, climbing stairs
With moderate exertion (for example, while dressing, using commode or bedpan, walking distances less
than 20 feet)
With minimal exertion (for example, while eating, talking, or performing other ADLs) or with agitation
At rest (during day or night)

Swallowing/Nutritional Status

M1060. Height and Weight — While measuring, if the number is X.1-X.4 round down; X.5 or greater round up.

inches

A. Height (in inches). Record most recent height measure since the most recent SOC/ROC
B.

pounds

Weight (in pounds). Base weight on most recent measure in last 30 days; measure weight consistently,
according to standard agency practice (for example, in a.m. after voiding, before meal, with shoes off, etc.)

SOC/ROC
K0520. Nutritional Approaches
1.

On Admission
Check all of the nutritional approaches that apply on admission

1.
On Admission
Check all that apply

↓

A. Parenteral/IV feeding
B.

Feeding tube (e.g., nasogastric or abdominal (PEG))

Mechanically altered diet — require change in texture of food
or liquids (e.g., pureed food, thickened liquids)

D. Therapeutic diet (e.g., low salt, diabetic, low cholesterol)
Z.

None of the above

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 26 of 35

Discharge
K0520. Nutritional Approaches
4.

Last 7 days
Check all of the nutritional approaches that were received
in the last 7 days
At discharge
Check all of the nutritional approaches that were being
received at discharge

4.
Last 7 days
↓

5.
At discharge
Check all that apply

↓

A. Parenteral/IV feeding
B.

Feeding tube (e.g., nasogastric or abdominal (PEG))

Mechanically altered diet — require change in texture of
food or liquids (e.g., pureed food, thickened liquids)

D. Therapeutic diet (e.g., low salt, diabetic, low cholesterol)
Z.

None of the above

M1870. Feeding or Eating
Current ability to feed self meals and snacks safely. Note: This refers only to the process of eating, chewing, and swallowing, not
preparing the food to be eaten.
Enter Code

0.
1.

2.
3.
4.
5.

Section M

Able to independently feed self
Able to feed self independently but requires:
a. meal set-up; OR
b. intermittent assistance or supervision from another person; OR
c. a liquid, pureed, or ground meat diet.
Unable to feed self and must be assisted or supervised throughout the meal/snack.
Able to take in nutrients orally and receives supplemental nutrients through a nasogastric tube or
gastrostomy.
Unable to take in nutrients orally and is fed nutrients through a nasogastric tube or gastrostomy.
Unable to take in nutrients orally or by tube feeding.

Skin Conditions

M1306. Does this patient have at least one Unhealed Pressure Ulcer/Injury at Stage 2 or Higher or designated as Unstageable?
(Excludes Stage 1 pressure injuries and all healed pressure ulcers/injuries)
Enter Code

0.
1.

No → Skip to M1322, Current Number of Stage 1 Pressure Injuries at SOC/ROC; Skip to M1324, Stage of
Most Problematic Unhealed Pressure Ulcer/Injury that is Stageable at DC
Yes

M1307. The Oldest Stage 2 Pressure Ulcer that is present at discharge: (Excludes healed Stage 2 pressure ulcers)
Enter Code

1.
2.

Was present at the most recent SOC/ROC assessment
Developed since the most recent SOC/ROC assessment. Record date pressure ulcer first identified:
—

—

Month
Day
Year
NA. No Stage 2 pressure ulcers are present at discharge

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 27 of 35

SOC/ROC
M1311. Current Number of Unhealed Pressure Ulcers/Injuries at Each Stage
Enter Number

A1. Stage 2: Partial thickness loss of dermis presenting as a shallow open ulcer with a red or pink wound bed,
without slough. May also present as an intact or open/ruptured blister.
Number of Stage 2 pressure ulcers

Enter Number

B1. Stage 3: Full thickness tissue loss. Subcutaneous fat may be visible but bone, tendon, or muscle is not
exposed. Slough may be present but does not obscure the depth of tissue loss. May include undermining and
tunneling.
Number of Stage 3 pressure ulcers

Enter Number

C1. Stage 4: Full thickness tissue loss with exposed bone, tendon, or muscle. Slough or eschar may be present on
some parts of the wound bed. Often includes undermining and tunneling.
Number of Stage 4 pressure ulcers

Enter Number

D1. Unstageable: Non-removable dressing/device: Known but not stageable due to non-removable dressing/
device
Number of unstageable pressure ulcers/injuries due to non-removable dressing/device

Enter Number

E1. Unstageable: Slough and/or eschar: Known but not stageable due to coverage of wound bed by slough and/
or eschar
Number of unstageable pressure ulcers due to coverage of wound bed by slough and/or eschar

Enter Number

F1. Unstageable: Deep tissue injury
Number of unstageable pressure injuries presenting as deep tissue injury

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 28 of 35

Discharge
M1311. Current Number of Unhealed Pressure Ulcers/Injuries at Each Stage
Enter Number

Enter Number

A2. Number of these Stage 2 pressure ulcers that were present at most recent SOC/ROC
– enter how many were noted at the time of most recent SOC/ROC

Enter Number

B2. Number of these Stage 3 pressure ulcers that were present at most recent SOC/ROC
– enter how many were noted at the time of most recent SOC/ROC

Enter Number

C2. Number of these Stage 4 pressure ulcers that were present at most recent SOC/ROC
– enter how many were noted at the time of most recent SOC/ROC

Enter Number

D1. Unstageable: Non-removable dressing/device: Known but not stageable due to non-removable dressing/
device
Number of unstageable pressure ulcers/injuries due to non-removable dressing/device — If 0 → Skip to
M1311E1, Unstageable: Slough and/or eschar

Enter Number

D2. Number of these unstageable pressure ulcers/injuries that were present at most recent SOC/ROC
– enter how many were noted at the time of most recent SOC/ROC

Enter Number

E2. Number of these unstageable pressure ulcers/injuries that were present at most recent SOC/ROC
– enter how many were noted at the time of most recent SOC/ROC

Enter Number

F1. Unstageable: Deep tissue injury
Number of unstageable pressure injuries presenting as deep tissue injury — If 0 → Skip to M1324, Stage of Most
Problematic Unhealed Pressure Ulcer/Injury that is Stageable

Enter Number

F2. Number of these unstageable pressure injuries that were present at most recent SOC/ROC
– enter how many were noted at the time of most recent SOC/ROC

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 29 of 35

M1322. Current Number of Stage 1 Pressure Injuries
Intact skin with non-blanchable redness of a localized area usually over a bony prominence. Darkly pigmented skin may not have a
visible blanching; in dark skin tones only, it may appear with persistent blue or purple hues.
Enter Code 0.
1.
2.
3.
4.

Zero
One
Two
Three
Four or more

M1324. Stage of Most Problematic Unhealed Pressure Ulcer/Injury that is Stageable
Excludes pressure ulcer/injury that cannot be staged due to a non-removable dressing/device, coverage of wound bed by slough
and/or eschar, or deep tissue injury.
Enter Code 1.
2.
3.
4.
NA

Stage 1
Stage 2
Stage 3
Stage 4
Patient has no pressure ulcers/injuries or no stageable pressure ulcers/injuries

M1330. Does this patient have a Stasis Ulcer?
Enter Code 0.
1.
2.
3.

No → Skip to M1340, Surgical Wound
Yes, patient has BOTH observable and unobservable stasis ulcers
Yes, patient has observable stasis ulcers ONLY
Yes, patient has unobservable stasis ulcers ONLY (known but not observable due to non-removable dressing/
device) → Skip to M1340, Surgical Wound

M1332. Current Number of Stasis Ulcer(s) that are Observable
Enter Code 1.
2.
3.
4.

One
Two
Three
Four or more

M1334. Status of Most Problematic Stasis Ulcer that is Observable
Enter Code

1.
2.
3.

Fully granulating
Early/partial granulation
Not healing

M1340. Does this patient have a Surgical Wound?
Enter Code 0.
1.
2.

No → Skip to N0415, High-Risk Drug Classes: Use and Indication
Yes, patient has at least one observable surgical wound
Surgical wound known but not observable due to non-removable dressing/device → Skip to N0415, High-Risk
Drug Classes: Use and Indication

M1342. Status of Most Problematic Surgical Wound that is Observable
Enter Code 0.
1.
2.
3.

Newly epithelialized
Fully granulating
Early/partial granulation
Not healing

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 30 of 35

Section N

Medications

SOC/ROC and Discharge
N0415. High-Risk Drug Classes: Use and Indication
1.

Is taking
Check if the patient is taking any medications by pharmacological classification, not how it is used, in the following
classes
Indication noted
If Column 1 is checked, check if there is an indication noted
for all medications in the drug class

1.
Is Taking
↓

2.
Indication Noted
Check all that apply

↓

A. Antipsychotic
E.

Anticoagulant

Antibiotic

H. Opioid
I.

Antiplatelet

Hypoglycemic (including insulin)

None of the above

M2001. Drug Regimen Review
Did a complete drug regimen review identify potential clinically significant medication issues?
Enter Code

0.
1.
9.

No — No issues found during review → Skip to M2010, Patient/Caregiver High-Risk Drug Education
Yes — Issues found during review
NA — Patient is not taking any medications→ Skip to O0110, Special Treatments, Procedures, and Programs

M2003. Medication Follow-up
Did the agency contact a physician (or physician-designee) by midnight of the next calendar day and complete prescribed/
recommended actions in response to the identified potential clinically significant medication issues?
Enter Code

0.
1.

No
Yes

M2005. Medication Intervention
Did the agency contact and complete physician (or physician-designee) prescribed/recommended actions by midnight of the next
calendar day each time potential clinically significant medication issues were identified since the SOC/ROC?
Enter Code 0.
1.
9.

No
Yes
NA — There were no potential clinically significant medication issues identified since SOC/ROC or patient is not
taking any medications

M2010. Patient/Caregiver High-Risk Drug Education
Has the patient/caregiver received instruction on special precautions for all high-risk medications (such as hypoglycemics,
anticoagulants, etc.) and how and when to report problems that may occur?
Enter Code 0. No
1. Yes
NA Patient not taking any high-risk drugs OR patient/caregiver fully knowledgeable about special precautions
associated with all high-risk medications

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 31 of 35

M2020. Management of Oral Medications
Patient’s current ability to prepare and take all oral medications reliably and safely, including administration of the correct
dosage at the appropriate times/intervals. Excludes injectable and IV medications. (NOTE: This refers to ability, not compliance or
willingness.)
Enter Code

Able to independently take the correct oral medication(s) and proper dosage(s) at the correct times.
Able to take medication(s) at the correct times if:
a. individual dosages are prepared in advance by another person; OR
b. another person develops a drug diary or chart.
2. Able to take medication(s) at the correct times if given reminders by another person at the appropriate
times
3. Unable to take medication unless administered by another person.
NA No oral medications prescribed.
0.
1.

M2030. Management of Injectable Medications
Patient’s current ability to prepare and take all prescribed injectable medications reliably and safely, including administration of the
correct dosage at the appropriate times/intervals. Excludes IV medications.
Enter Code

Able to independently take the correct medication(s) and proper dosage(s) at the correct times.
Able to take injectable medication(s) at the correct times if:
a. individual syringes are prepared in advance by another person; OR
b. another person develops a drug diary or chart.
2. Able to take medication(s) at the correct times if given reminders by another person based on the
frequency of the injection
3. Unable to take injectable medication unless administered by another person.
NA No injectable medications prescribed.

0.
1.

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 32 of 35

Section O

Special Treatment, Procedures, and Programs

SOC/ROC
O0110. Special Treatments, Procedures, and Programs
Check all of the following treatments, procedures, and programs that apply on admission.

a. On Admission
Check all that apply
↓

Cancer Treatments
A1. Chemotherapy
A2. IV
A3. Oral
A10. Other
B1. Radiation
Respiratory Therapies
C1. Oxygen Therapy
C2. Continuous
C3. Intermittent
C4. High-concentration
D1. Suctioning
D2. Scheduled
D3. As Needed
E1. Tracheostomy care
F1. Invasive Mechanical Ventilator (ventilator or respirator)
G1. Non-invasive Mechanical Ventilator
G2. BiPAP
G3. CPAP
Other
H1. IV Medications
H2. Vasoactive medications
H3. Antibiotics
H4. Anticoagulation
H10. Other
I1. Transfusions
J1. Dialysis
J2. Hemodialysis
J3. Peritoneal dialysis
O1. IV Access
O2. Peripheral
O3. Mid-line
O4. Central (e.g., PICC, tunneled, port)
None of the Above
Z1. None of the Above

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 33 of 35

Discharge
O0110. Special Treatments, Procedures, and Programs
Check all of the following treatments, procedures, and programs that apply on discharge.

c. At Discharge
Check all that apply
↓

0.
1.

No, patient is not up to date
Yes, patient is up to date

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Page 34 of 35

M1041. Influenza Vaccine Data Collection Period
Does this episode of care (SOC/ROC to Transfer/Discharge) include any dates on or between October 1 and March 31?
Enter Code

0.
1.

No → Skip to M2401, Intervention Synopsis
Yes → Continue to M1046, Influenza Vaccine Received

M1046. Influenza Vaccine Received
Did the patient receive the influenza vaccine for this year’s flu season?
Enter Code

1.
2.
3.
4.
5.
6.
7.
8.

Section Q

Yes; received from your agency during this episode of care (SOC/ROC to Transfer/Discharge)
Yes; received from your agency during a prior episode of care (SOC/ROC to Transfer/Discharge)
Yes; received from another health care provider (for example, physician, pharmacist)
No; patient offered and declined
No; patient assessed and determined to have medical contraindication(s)
No; not indicated – patient does not meet age/condition guidelines for influenza vaccine
No; inability to obtain vaccine due to declared shortage
No; patient did not receive the vaccine due to reasons other than those listed in responses 4-7.

Participation in Assessment and Goal Setting

M2401. Intervention Synopsis
At the time of or at any time since the most recent SOC/ROC assessment, were the following interventions BOTH included in the
physician-ordered plan of care AND implemented? (Mark only one box in each row.)
Plan/Intervention

Yes

Not Applicable

↓ Check only one box in each row
b.

0
c.

↓

Falls prevention interventions

Depression intervention(s)
such as medication, referral
for other treatment, or a
monitoring plan for current
treatment

Intervention(s) to monitor
and mitigate pain

Intervention(s) to prevent
pressure ulcers

Pressure ulcer treatment
based on principles of moist
wound healing

OASIS-E1 All Items Effective 01/01/2025
Centers for Medicare & Medicaid Services

Every standardized, validated multi-factor
fall risk assessment conducted at or since
the most recent SOC/ROC assessment indicates the patient has no risk for falls.
Patient has no diagnosis of depression AND
every standardized, validated depression
screening conducted at or since the most
recent SOC/ROC assessment indicates the
patient has: 1) no symptoms of depression;
or 2) has some symptoms of depression but
does not meet criteria for further evaluation
of depression based on screening tool used.
Every standardized, validated pain assessment conducted at or since the most recent
SOC/ROC assessment indicates the patient
has no pain.
Every standardized, validated pressure ulcer
risk assessment conducted at or since the
most recent SOC/ROC assessment indicates
the patient is not at risk of developing pressure ulcers.
Patient has no pressure ulcers OR has no
pressure ulcers for which moist wound healing is indicated.

Page 35 of 35

File Type	application/pdf
File Title	Attachment B OASIS-E1 All Items
Subject	Centers for Medicare & Medicaid Services, Home health, OASIS, Paperwork Reduction Act
Author	CMS
File Modified	2024-03-21
File Created	2024-03-12