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ICD-9-CM diagnosis code (retired)

185 — Malignant neoplasm of prostate

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 185

185 is an ICD-9-CM diagnosis code for malignant neoplasm of prostate. 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, C61 (Malignant neoplasm of prostate). The match is exact.

ICD-10-CM equivalents

Common questions about 185

What is the ICD-10 code for ICD-9 185?

The GEMs map 185 to ICD-10-CM C61.

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.