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K13.1

K13.1: Cheek and lip biting

Billable / specific codeICD-10-CM

K13.1 is a billable, specific ICD-10-CM code for cheek and lip biting. It is valid for submission on a claim.

Check K13.1 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above K13.1

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

Written on K13: Other diseases of lip and oral mucosa

  • certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
  • cysts of oral region (K09.-)
  • diseases of tongue (K14.-)
  • stomatitis and related lesions (K12.-)

Risk adjustment

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

Medicare coverage

K13.1 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders

Alphabetic index entries that lead here

  • Biting, cheek or lip

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under K13

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.