ICD-9-CM diagnosis code (retired)
191.6 — Malignant neoplasm of cerebellum nos
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 191.6
191.6 is an ICD-9-CM diagnosis code for malignant neoplasm of cerebellum nos. 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, C71.6 (Malignant neoplasm of cerebellum). The match is exact.
ICD-10-CM equivalents
- C71.6Malignant neoplasm of cerebellumexact match
Common questions about 191.6
What is the ICD-10 code for ICD-9 191.6?
- The GEMs map 191.6 to ICD-10-CM C71.6.
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.