ICD-10-CM
J21.9 - Acute bronchiolitis, unspecified
Code
J21.9 - Acute bronchiolitis, unspecified
[Billable]
[Billable]
Includes
- Bronchiolitis (acute)
Not Coded Here
- chronic bronchiolitis (J44.89)
Code Tree
J00-J99 - Diseases of the respiratory system
Citation
"J21.9 - Acute Bronchiolitis, Unspecified." ICD-10-CM, 10th ed., Centers for Medicare and Medicaid Services and the National Center for Health Statistics, 2026. www.unboundmedicine.com/icd/view/ICD-10-CM/861344/3/J21_9___Acute_bronchiolitis_unspecified.
J21.9 - Acute bronchiolitis, unspecified. ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. https://www.unboundmedicine.com/icd/view/ICD-10-CM/861344/3/J21_9___Acute_bronchiolitis_unspecified. Accessed June 2, 2026.
J21.9 - Acute bronchiolitis, unspecified. (2026). In ICD-10-CM (10th ed.). Centers for Medicare and Medicaid Services and the National Center for Health Statistics. https://www.unboundmedicine.com/icd/view/ICD-10-CM/861344/3/J21_9___Acute_bronchiolitis_unspecified
J21.9 - Acute Bronchiolitis, Unspecified [Internet]. In: ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. [cited 2026 June 02]. Available from: https://www.unboundmedicine.com/icd/view/ICD-10-CM/861344/3/J21_9___Acute_bronchiolitis_unspecified.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - J21.9 - Acute bronchiolitis, unspecified
ID - 861344
BT - ICD-10-CM
UR - https://www.unboundmedicine.com/icd/view/ICD-10-CM/861344/3/J21_9___Acute_bronchiolitis_unspecified
PB - Centers for Medicare and Medicaid Services and the National Center for Health Statistics
ET - 10
DB - ICD-10-CM
DP - Unbound Medicine
ER -
