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J01.9

Non-billable

Acute sinusitis, unspecified

J01.9 is the ICD-10-CM code for Acute sinusitis, unspecified. It is a non-billable category code — use a more specific child code such as J01.90 for billing.

Status
Header (non-billable)
Chapter
J00-J99
Parent
J01
Subcodes
2
Edition
FY2026

J00-J99 Diseases of the respiratory system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code J01.9?
J01.9 is the ICD-10-CM code for "Acute sinusitis, unspecified". It falls under J00-J99 Diseases of the respiratory system.
Is J01.9 a billable code?
No — J01.9 is a non-billable header code. Use a more specific child code (such as J01.90) for billing.
What are the subcodes of J01.9?
J01.9 has 2 more specific child codes, including J01.90, J01.91.

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

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