MCMedicalCodingSoftware
J35.1

J35.1: Hypertrophy of tonsils

Billable / specific codeICD-10-CM

J35.1 is a billable, specific ICD-10-CM code for hypertrophy of tonsils. It is valid for submission on a claim.

Check J35.1 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • hypertrophy of tonsils with tonsillitis (J35.0-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Enlargement of tonsils

Other codes that can never be billed with J35.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • J03Acute tonsillitis

Risk adjustment

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

Alphabetic index entries that lead here

  • Enlargement, enlarged›tonsils
  • Hyperplasia, hyperplastic›tonsils(faucial) (infective) (lingual) (lymphoid)
  • Hypertrophy, hypertrophic›lingual tonsil(infective)
  • Hypertrophy, hypertrophic›tonsils(faucial) (infective) (lingual) (lymphoid)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under J35

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.