J35 – Chronic diseases of tonsils and adenoids
ICD-10-CM 2027 diagnosis code · Other diseases of upper respiratory tract
ICD-10-CM code
J35
- Code
J35(claims format:J35)- Description
- Chronic diseases of tonsils and adenoids
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 10. Diseases of the respiratory system (J00-J99)
- Block
- J30-J39 Other diseases of upper respiratory tract
Billable codes under J35
J35 is a header code and cannot be used on claims. Choose the most specific code:
- J35.0 – Chronic tonsillitis and adenoiditisHeader (more codes below)
- J35.1 – Hypertrophy of tonsilsBillable
- J35.2 – Hypertrophy of adenoidsBillable
- J35.3 – Hypertrophy of tonsils with hypertrophy of adenoidsBillable
- J35.8 – Other chronic diseases of tonsils and adenoidsBillable
- J35.9 – Chronic disease of tonsils and adenoids, unspecifiedBillable
Frequently asked questions
What is ICD-10 code J35?
J35 is the ICD-10-CM code for chronic diseases of tonsils and adenoids, in the block J30-J39 (Other diseases of upper respiratory tract).
Is J35 a billable code?
No. J35 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.