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ICD-10 MS-DRG Conversion Project

Guidance for information on the project for using the General Equivalence Mappings (GEMs) to convert the MS-DRGs to ICD-10-CM and ICD-10-PCS. Information is also provided on undertaking similar conversion projects.

Final

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

Issue Date: July 21, 2020

This section provides information on the project for using the General Equivalence Mappings (GEMs) to convert the MS-DRGs to ICD-10-CM and ICD-10-PCS. Information is also provided on undertaking similar conversion projects.

The Final ICD-10 MS-DRG v33 logic was implemented on October 1, 2015. For information on the ICD-10 MS-DRG and MCE v33 including ordering the software, see the FY 2016 Acute Inpatient PPS page under Related Links.

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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.