J35.0 ICD-10-CM Code: Chronic tonsillitis and adenoiditis

J35.0 isn’t billable on its own. Choose one of the 3 billable codes beneath it, the one the documentation supports.

Official description

J35.0

Chronic tonsillitis and adenoiditis

ICD-10-CM diagnosis code · United States clinical modification

Billable codes under J35.0

J35.0 can’t be reported on its own. Choose the code below that matches what the note documents.

Where J35.0 sits

  1. 1

    Chapter 10

    Diseases of the respiratory system (J00-J99)

  2. 2

    Section

    Other diseases of upper respiratory tract (J30-J39)

  3. 3

    Category J35

    Chronic diseases of tonsils and adenoids

  4. 4

    Code J35.0

    Chronic tonsillitis and adenoiditis

Notes for this code

Inclusion terms

No inclusion terms are listed for J35.0.

Code first

No “code first” instruction is listed for J35.0.

Use additional code

No “use additional code” instruction is listed for J35.0.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for J35.0.

Excludes2

Conditions not included here that may be reported separately when present.

  • acute tonsillitis (J03.-)

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code J35.0 mean?

J35.0 is the FY 2027 U.S. ICD-10-CM code for “Chronic tonsillitis and adenoiditis.”

Is J35.0 a billable or specific ICD-10-CM code?

No. J35.0 has 3 billable codes beneath it in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is J35.0 located in ICD-10-CM?

J35.0 is listed in Chapter 10, Diseases of the respiratory system (J00-J99), within Other diseases of upper respiratory tract (J30-J39) (J30–J39), under category J35, Chronic diseases of tonsils and adenoids.

What coding notes are listed for J35.0?

No inclusion terms are listed for J35.0 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: acute tonsillitis (J03.-).