J21.1

Billable

Acute bronchiolitis due to human metapneumovirus

J21.1 is the ICD-10-CM code for Acute bronchiolitis due to human metapneumovirus. 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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code J21.1?
J21.1 is the ICD-10-CM code for "Acute bronchiolitis due to human metapneumovirus". It falls under J00-J99 Diseases of the respiratory system.
Is J21.1 a billable code?
Yes — J21.1 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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