Acute bronchiolitis, unspecified J21.9

  • J21.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM J21.9 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of J21.9 - other international versions of ICD-10 J21.9 may differ.
Applicable To:
  • Bronchiolitis (acute)
Type 1 Excludes:
  • chronic bronchiolitis (J44.-)

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.