ICD-9-CM diagnosis code (retired)
464.31 — Acute epiglottitis with obstruction
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 464.31
464.31 is an ICD-9-CM diagnosis code for acute epiglottitis with obstruction. 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, J05.11 (Acute epiglottitis with obstruction). The match is exact.
ICD-10-CM equivalents
- J05.11Acute epiglottitis with obstructionexact match
Common questions about 464.31
What is the ICD-10 code for ICD-9 464.31?
- The GEMs map 464.31 to ICD-10-CM J05.11.
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.