| Diagnosis | ICD-9 | ICD-10 |
|---|---|---|
| Acute bronchiolitis due to respiratory syncytial virus | 466.11 | J21.0 |
| Acute bronchiolitis due to human metapneumovirus | 466.19 | J21.1 |
| Acute bronchiolitis due to other specified organisms | 466.19 | J21.8 |
| Acute bronchiolitis, unspecified | 466.19 | J21.9 |