ICD-9-CM diagnosis code (retired)
146.5 — Malignant neoplasm of junctional region of oropharynx
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 146.5
146.5 is an ICD-9-CM diagnosis code for malignant neoplasm of junctional region of oropharynx. 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, C10.8 (Malignant neoplasm of overlapping sites of oropharynx). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- C10.8Malignant neoplasm of overlapping sites of oropharynxapproximate
Common questions about 146.5
What is the ICD-10 code for ICD-9 146.5?
- The GEMs map 146.5 to ICD-10-CM C10.8.
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.