J21.0

J21.0: Acute bronchiolitis due to respiratory syncytial virus

Billable / specific codeICD-10-CM

J21.0 is a billable, specific ICD-10-CM code for acute bronchiolitis due to respiratory syncytial virus. It is valid for submission on a claim.

Check J21.0 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Acute bronchiolitis due to RSV

Excludes2 inherited from the categories above J21.0

Not part of this code, but both may be coded when both are present.

Written on J21: Acute bronchiolitis

respiratory bronchiolitis interstitial lung disease (J84.115)

Other codes that can never be billed with J21.0

Their own Excludes1 notes name this code, so the conflict is not listed above.

J98.01Acute bronchospasm
B97.4Respiratory syncytial virus as the cause of diseases classified elsewhere

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

J21.0 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
A56730Billing and Coding: Respiratory Therapy and Oximetry Services
A57205Billing and Coding: Oximetry Services

Alphabetic index entries that lead here

Bronchiolitis›due to›respiratory syncytial virus(RSV)
Virus, viral›respiratory syncytial›bronchiolitis
Infection, infected, infective›virus, viral NOS›respiratory syncytial›bronchiolitis

Code history

Unchanged in every release from FY2024 to FY2027.