ICD-9-CM diagnosis code (retired)
464.50 — Supraglottitis unspecified, without 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 464.50
464.50 is an ICD-9-CM diagnosis code for Supraglottitis unspecified, without 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, J04.30 (Supraglottitis, unspecified, without obstruction). The match is exact.
ICD-10-CM equivalents
- J04.30Supraglottitis, unspecified, without obstructionexact match
Common questions about 464.50
What is the ICD-10 code for ICD-9 464.50?
- The GEMs map 464.50 to ICD-10-CM J04.30.
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.