ICD-9-CM diagnosis code (retired)
474.01 — Chronic adenoiditis
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 474.01
474.01 is an ICD-9-CM diagnosis code for chronic adenoiditis. 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, J35.02 (Chronic adenoiditis). The match is exact.
ICD-10-CM equivalents
- J35.02Chronic adenoiditisexact match
Common questions about 474.01
What is the ICD-10 code for ICD-9 474.01?
- The GEMs map 474.01 to ICD-10-CM J35.02.
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.