ICD-9-CM diagnosis code (retired)
490 — Bronchitis, not specified as acute or chronic
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 490
490 is an ICD-9-CM diagnosis code for bronchitis, not specified as acute or chronic. 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, J40 (Bronchitis, not specified as acute or chronic). The match is exact.
ICD-10-CM equivalents
- J40Bronchitis, not specified as acute or chronicexact match
Common questions about 490
What is the ICD-10 code for ICD-9 490?
- The GEMs map 490 to ICD-10-CM J40.
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.