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J21Acute bronchiolitis

ICD-10-CM category (non-billable header) code — part of Other acute lower respiratory infections (J20-J22)

Code Details

BillableNo — use a more specific child code
ChapterChapter 10: Diseases of the respiratory system (J00-J99)
SectionOther acute lower respiratory infections (J20-J22)

Coding Notes

Includes

  • acute bronchiolitis with bronchospasm

Excludes2 (not part of this condition — may code both)

  • respiratory bronchiolitis interstitial lung disease (J84.115)

Subcategories (4)

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