J21.1 – Acute bronchiolitis due to human metapneumovirus
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| Code | Title |
|---|---|
| J00-J99 | Diseases of the respiratory system (J00-J99) |
| J20-J22 | Other acute lower respiratory infections (J20-J22) |
| J21 | Acute bronchiolitis |
| J21.1 | Acute bronchiolitis due to human metapneumovirus |