J35.0

Non-billable

Chronic tonsillitis and adenoiditis

J35.0 is the ICD-10-CM code for Chronic tonsillitis and adenoiditis. It is a non-billable category code — use a more specific child code such as J35.01 for billing.

Status
Header (non-billable)
Chapter
J00-J99
Parent
J35
Subcodes
3
Edition
FY2026

J00-J99 Diseases of the respiratory system

Excludes2 — not included here

  • acute tonsillitis (J03.-)

Frequently asked questions

What is ICD-10 code J35.0?
J35.0 is the ICD-10-CM code for "Chronic tonsillitis and adenoiditis". It falls under J00-J99 Diseases of the respiratory system.
Is J35.0 a billable code?
No — J35.0 is a non-billable header code. Use a more specific child code (such as J35.01) for billing.
What are the subcodes of J35.0?
J35.0 has 3 more specific child codes, including J35.01, J35.02, J35.03.

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

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