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J35.01

J35.01: Chronic tonsillitis

Billable / specific codeICD-10-CM

J35.01 is a billable, specific ICD-10-CM code for chronic tonsillitis. It is valid for submission on a claim.

Check J35.01 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above J35.01

Not part of this code, but both may be coded when both are present.

Written on J35.0: Chronic tonsillitis and adenoiditis

  • acute tonsillitis (J03.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Septic›tonsils, chronic
  • Tonsillitis›chronic
  • Tonsillitis›hypertrophic
  • Infection, infected, infective›focal›tonsils
  • Remnant›tonsil›infected(chronic)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under J35.0

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.