Fee-for-Service Improper Payment Rate Measurement in Medicaid and the Children’s Health Insurance Program (CMS-10166)

Improper Payments Information Act (IPIA) of 2002 requires CMS to produce national error rates for Medicaid and SCHIP. To comply with the IPIA, CMS needs the information to be collected from States and providers in order to sample and review adjudicated claims in a randomly selected number of States. Based on the reviews, State-specific error rates will be calculated which will be calculated which will serve as the basis for calculating national error rates for Medicaid and SCHIP.

The latest form for Fee-for-Service Improper Payment Rate Measurement in Medicaid and the Children’s Health Insurance Program (CMS-10166) expires 2027-11-30 and can be found here.