J35: Chronic diseases of tonsils and adenoids
Codes under J35 (Chronic diseases of tonsils and adenoids). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| J35.0 | Chronic tonsillitis and adenoiditis | — |
| J35.0 | Chronic tonsillitis and adenoiditis | — |
| J35.01 | Chronic tonsillitis | ✓ |
| J35.01 | Chronic tonsillitis | ✓ |
| J35.1 | Hypertrophy of tonsils | ✓ |
| J35.1 | Hypertrophy of tonsils | ✓ |
| J35.02 | Chronic adenoiditis | ✓ |
| J35.02 | Chronic adenoiditis | ✓ |
| J35.2 | Hypertrophy of adenoids | ✓ |
| J35.2 | Hypertrophy of adenoids | ✓ |
| J35.03 | Chronic tonsillitis and adenoiditis | ✓ |
| J35.03 | Chronic tonsillitis and adenoiditis | ✓ |
| J35.3 | Hypertrophy of tonsils with hypertrophy of adenoids | ✓ |
| J35.3 | Hypertrophy of tonsils with hypertrophy of adenoids | ✓ |
| J35.8 | Other chronic diseases of tonsils and adenoids | ✓ |
| J35.8 | Other chronic diseases of tonsils and adenoids | ✓ |
| J35.9 | Chronic disease of tonsils and adenoids, unspecified | ✓ |
| J35.9 | Chronic disease of tonsils and adenoids, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code J35?
J35 is an ICD-10-CM category covering Chronic diseases of tonsils and adenoids. It contains 18 more specific diagnosis codes, 16 of which are billable.
Is J35 a billable code?
No — J35 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example J35.0 — Chronic tonsillitis and adenoiditis). 16 of the 18 codes under J35 are billable.
What codes fall under J35?
J35 includes J35.0, J35.0, J35.01, J35.01, J35.1, plus 13 more. See the full list with descriptions and billable status above.
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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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