Diagnosis Code: J21.9

Short Description: Acute bronchiolitis, unspecified

Long Description: Acute bronchiolitis, unspecified

The code J21.9 is VALID for claim submission

Code Classification:

• Diseases of the respiratory system (J00–J99)
  • Other acute lower respiratory infections (J20-J22)
    • Acute bronchiolitis (J21)
      • J21.9 Acute bronchiolitis, unspecified

Code Version: 2022 ICD-10-CM

Synonyms

• Acute bronchiolitis
• Acute bronchiolitis with bronchospasm
• Acute bronchiolitis with obstruction
• Acute bronchitis with bronchospasm
• Acute bronchospasm
• Acute exudative bronchiolitis
• Acute obliterating bronchiolitis
• Acute viral bronchiolitis
• Bronchiolitis
• Bronchiolitis exudativa
• Bronchospasm
• Chronic bronchiolitis
• Diffuse panbronchiolitis
• Necrotizing bronchiolitis
• Pulmonary necrosis

Diagnostic Related Group(s)

The code J21.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Bronchitis And Asthma With Cc/mcc (202)
• Bronchitis And Asthma Without Cc/mcc (203)

References to Index of Diseases and Injuries

The code J21.9 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • Bronchiolitis (acute)
• Type 1 Excludes Notes:
  • chronic bronchiolitis (@J44*.-)

Crosswalk Information

Similar Codes

This page was last updated on: 10/1/2023

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