ICD-9-CM diagnosis code (retired)
474.12 — Hypertrophy of adenoids alone
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 474.12
474.12 is an ICD-9-CM diagnosis code for hypertrophy of adenoids alone. 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, J35.2 (Hypertrophy of adenoids). The match is exact.
ICD-10-CM equivalents
- J35.2Hypertrophy of adenoidsexact match
Common questions about 474.12
What is the ICD-10 code for ICD-9 474.12?
- The GEMs map 474.12 to ICD-10-CM J35.2.
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.