ICD-9-CM diagnosis code (retired)
478.8 — Upper respiratory tract hypersensitivity reaction, site unspecified
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 478.8
478.8 is an ICD-9-CM diagnosis code for upper respiratory tract hypersensitivity reaction, site unspecified. 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, J39.3 (Upper respiratory tract hypersensitivity reaction, site unspecified). The match is exact.
ICD-10-CM equivalents
- J39.3Upper respiratory tract hypersensitivity reaction, site unspecifiedexact match
Common questions about 478.8
What is the ICD-10 code for ICD-9 478.8?
- The GEMs map 478.8 to ICD-10-CM J39.3.
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.