J21.9 - Acute bronchiolitis, unspecified
- Applicable to Acute bronchiolitis, unspecified
- The 2025 edition of ICD10-CM J21.9 became effective on October 1, 2024.
- This is the American ICD10-CM version of J21.9 - other international versions of ICD10 J21.9 may differ.
- J21.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion terms help to clarify and specify the conditions or diseases covered by a particular ICD-10-CM code.
Inclusion Term:
- Bronchiolitis (acute)
Type 1 Excludes
- chronic bronchiolitis (J44.89)
Billable/Specific Code
The following codes above J21.9 contain annotation back-references that may be applicable to J21.9:
- Chapter: J00-J99 - Diseases of the respiratory system
- Section: J20-J22 - Other acute lower respiratory infections
- Category: J21 - Acute bronchiolitis
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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