ICD-9-CM diagnosis code (retired)
191.7 — Malignant neoplasm of brain stem
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 191.7
191.7 is an ICD-9-CM diagnosis code for malignant neoplasm of brain stem. 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, C71.7 (Malignant neoplasm of brain stem). The match is exact.
ICD-10-CM equivalents
- C71.7Malignant neoplasm of brain stemexact match
Common questions about 191.7
What is the ICD-10 code for ICD-9 191.7?
- The GEMs map 191.7 to ICD-10-CM C71.7.
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.