J35.0 — Chronic tonsillitis and adenoiditis
Is J35.0 billable?
No — J35.0 is a non-billable header code. J35.0 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath J35.0.
Billable codes under this header
J35.0 at a glance
| Code | J35.0 |
|---|---|
| Description | Chronic tonsillitis and adenoiditis |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of J35.0, but a patient may have both at the same time. When documentation supports it, J35.0 and the excluded code may both be reported.
- acute tonsillitis (J03.-)
Use additional code — inherited from Chapter 10
Report an additional code alongside J35.0 to fully describe the condition. J35.0 is sequenced first.
Excludes2 — not included here — inherited from Chapter 10
The conditions below are not part of J35.0, but a patient may have both at the same time. When documentation supports it, J35.0 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- smoke inhalation (T59.81-)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
What codes fall under J35.0? (3)
How long has J35.0 existed?
J35.0 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with J35.0?
ICD-10-CM declares these codes mutually exclusive with J35.0 — exactly one of each pair can be correct for a given encounter.