ICD-9-CM diagnosis code (retired)
209.75 — Secondary Merkel cell carcinoma
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 209.75
209.75 is an ICD-9-CM diagnosis code for secondary Merkel cell carcinoma. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, C7B.1 (Secondary Merkel cell carcinoma). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- C7B.1Secondary Merkel cell carcinomaapproximate
Common questions about 209.75
What is the ICD-10 code for ICD-9 209.75?
- The GEMs map 209.75 to ICD-10-CM C7B.1.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.