Convert ICD-10 J40 to ICD-9

ICD-10 code J40, Bronchitis, not specified as acute or chronic, crosswalked to ICD-9 with the official CMS General Equivalence Mappings. Convert another code below.

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Official CMS General Equivalence Mappings Final GEMs release (FY 2018) Maps in both directions

1 ICD-9 mapping for ICD-10 J40

From the official CMS General Equivalence Mappings. Review each mapping's flags before selecting the final code. Convert another code

ICD-10 code J40, "Bronchitis, not specified as acute or chronic", maps to ICD-9 code 490, "Bronchitis NOS". This mapping carries no qualifying flags, so it is considered an exact equivalent. The crosswalk comes from the official CMS General Equivalence Mappings.

ICD‑10 Code

J40

Bronchitis, not specified as acute or chronic

ICD‑9 Code

490

Bronchitis NOS

– This is a direct match with no additional mapping qualifiers.

See everything about the source code, including its category, synonyms, and history: open the J40 code page → Or run the reverse crosswalk: convert 490 back to ICD-10 →