General Equivalence Mappings (GEMs)

The Second in Series: General Equivalence Mappings — ICD-9-CM to and from ICD-10-CM and ICD-10-PCS Fact Sheet (May 2009), which provides basic information about the General Equivalence Mappings (GEM) including possible users of the GEMs, why the GEMs are needed, and how the GEMs files are formatted as well as Reimbursement Mappings information, is now available in print format from the Centers for Medicare & Medicaid Services Medicare Learning Network.

To place your order, visit http://www.cms.hhs.gov/MLNGenInfo/, scroll down to "Related Links Inside CMS" and select "MLN Product Ordering Page."

CMS's Fact Sheet on General Equivalence Mappings is a tool to help health care providers and others identify equivalent codes in the ICD-9 and ICD-10 coding systems.