J35.1: Hypertrophy of tonsils
J35.1 is the billable ICD-10-CM diagnosis code for Hypertrophy of tonsils. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code J35.1?
J35.1 is the ICD-10-CM diagnosis code for Hypertrophy of tonsils. It belongs to category J35 (Chronic diseases of tonsils and adenoids).
Is J35.1 a billable code?
Yes. J35.1 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does J35.1 belong to?
J35.1 is part of ICD-10-CM category J35 — Chronic diseases of tonsils and adenoids, which has 16 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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