TheCardiovascular
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J21 Acute bronchiolitis

BackJ21.0Acute bronchiolitis due to respiratory syncytial virusJ21.1Acute bronchiolitis due to human metapneumovirusJ21.8Acute bronchiolitis due to other specified organismsJ21.9Acute bronchiolitis, unspecified
Category
J21
Acute bronchiolitis
INCLUDES
acute bronchiolitis with bronchospasm
EXCLUDES
Excludes2: respiratory bronchiolitis interstitial lung disease (J84.115)
Chapter
X · Diseases of the respiratory system
Section
J20-J22
Valid from
Source

CMS ICD-10-CM Tabular List, edition FY2026.

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