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J21

Non-Billable (Header)

Acute bronchiolitis

Includes

acute bronchiolitis with bronchospasm

Excludes 2 — Not included here, may code separately

respiratory bronchiolitis interstitial lung disease (J84.115)

Child Codes

J21.0Acute bronchiolitis due to respiratory syncytial virus

J21.1Acute bronchiolitis due to human metapneumovirus

J21.8Acute bronchiolitis due to other specified organisms

J21.9Acute bronchiolitis, unspecified

Code Hierarchy

└J21Acute bronchiolitis

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