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2026 Updates to the Child and Adult Core Health Care Quality Measurement Sets and Mandatory Reporting Guidance

Specifically, this letter addresses:
• Mandatory reporting of the Child Core Set and the behavioral health measures on the Adult Core
Set,
• Annual updates to the 2026 Child and Adult Core Sets,
• Adherence to mandatory reporting guidance,
• Populations that states should include in reporting and the population exemption process, and
• Data stratification categories and measures for which stratified reporting is mandatory.

Download the Guidance Document

Issued by: Centers for Medicare & Medicaid Services (CMS)

Issue Date: December 20, 2024

DISCLAIMER: The contents of this database lack the force and effect of law, except as authorized by law (including Medicare Advantage Rate Announcements and Advance Notices) or as specifically incorporated into a contract. The Department may not cite, use, or rely on any guidance that is not posted on the guidance repository, except to establish historical facts.