J21 Acute bronchiolitis
ICD-10-CM category J21 sits in Chapter 10 (Diseases of the respiratory system, J00-J99). It contains 4 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in J21
| Code | Description |
|---|---|
J21.0 | Acute bronchiolitis due to respiratory syncytial virus |
J21.1 | Acute bronchiolitis due to human metapneumovirus |
J21.8 | Acute bronchiolitis due to other specified organisms |
J21.9 | Acute bronchiolitis, unspecified |
Search within ICD-10-CM for J21 and related codes
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