J21.0

Billable

Acute bronchiolitis due to respiratory syncytial virus

J21.0 is the ICD-10-CM code for Acute bronchiolitis due to respiratory syncytial virus. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
J00-J99
Parent
J21
Edition
FY2026

J00-J99 Diseases of the respiratory system

Includes

  • Acute bronchiolitis due to RSV

Frequently asked questions

What is ICD-10 code J21.0?
J21.0 is the ICD-10-CM code for "Acute bronchiolitis due to respiratory syncytial virus". It falls under J00-J99 Diseases of the respiratory system.
Is J21.0 a billable code?
Yes — J21.0 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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