CMS Issues Hints for Crosswalking ICD-9/ICD-10 Codes

In the May 24 issue of the Centers for Medicare & Medicaid Services' Daily Digest Bulletin, the agency published an article titled, "What You Should Know About the GEMs," according to an AAPC report.

According to the CMS article, the General Equivalence Mappings were created to ensure that consistency in national data is maintained after the conversion from ICD-9 to ICD-10 occurs on Oct. 1, 2013. GEMs act to "crosswalk" ICD-9 codes to ICD-10. Coders can look up an ICD-9 code and view the most appropriate ICD-10 matches and vice versa.

AAPC provides a tutorial that explains ICD-9 to ICD-10 conversion and mapping. Access the tutorial here or refer to AAPC's online ICD-10 code conversion tool, based on the GEMs published by CMS.

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