FY 2021 Report to Congress (RTC): Review of Medicare’s Program Oversight of Accrediting Organizations (AOs) and the Clinical Laboratory Improvement Amendments of 1988 (CLIA) Validation Program

Annual Report to Congress: The 2021 annual RTC details the review, validation, and oversight of the FY 2020 activities of the approved AOs Medicare accreditation programs as well as the CLIA Validation Program. • Section 1875(b) of the Social Security Act (the Act) requires the Centers for Medicare & Medicaid Services (CMS) to submit an annual report to Congress on its oversight of national AOs and their CMS-approved accreditation programs. • Section 353(e)(3) of the Public Health Service Act (PHSA) requires CMS to submit an annual report of the CLIA validation program results.