J21
J21: Acute bronchiolitis
Non-billable headerICD-10-CM
J21 is a non-billable header ICD-10-CM code for acute bronchiolitis. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- respiratory bronchiolitis interstitial lung disease (J84.115)
Includes
Conditions this code covers.
- acute bronchiolitis with bronchospasm
Other codes that can never be billed with J21
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead J21
4 child codes. Green means billable.