ICD-10-CM Diagnosis Code (2025)
Official Description for J21.9
Acute bronchiolitis, unspecified
Coding Notes & Guidelines for J21.9
Excludes1: Not Coded Here
chronic bronchiolitis (J44.89)
Inclusion Terms
Bronchiolitis (acute)
Parent Code (Less Specific):
About ICD-10-CM Code J21.9 (Acute bronchiolitis)
ICD-10-CM code J21.9 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM J21.9 became effective on October 1, 2024.
This page provides detailed information about J21.9 - Acute bronchiolitis, unspecified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Acute bronchiolitis related to unspecified.