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MLN Product (Revised); Health Care Code Sets: ICD-10

This revised Product comprises Subregulatory Guidance for the Health Care Code Sets: ICD-10, and its content is based on publically available content within,,, and CMS policy or operation subject matter experts also reviewed/cleared this product. This Product educates providers about submitting inpatient and outpatient claims for diagnoses, procedures, medical equipment, supplies, and drugs. This fact sheet gives an overview of code sets, definitions, and payment information. This revised product does not contain any substantive changes to the previous version dated June 2022.

The previous version of this product is available to the public and currently posted on the CMS website at

Download the Guidance Document


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

Issue Date: July 26, 2023

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.