K13.1

ICD-10Billable

Cheek and lip biting

Official ICD-10-CM descriptor (FY2026)

Cheek and lip biting

K13.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Related codes in K13

K13.0Diseases of lips
K13.2Leukoplakia and oth disturb of oral epithelium, inc tonguecategory
K13.3Hairy leukoplakia
K13.4Granuloma and granuloma-like lesions of oral mucosa
K13.5Oral submucous fibrosis
K13.6Irritative hyperplasia of oral mucosa
K13.7Other and unspecified lesions of oral mucosacategory

Where this code sits

Chapter: 11. Diseases of the digestive system (K00-K95)
Block: Diseases of oral cavity and salivary glands (K00-K14)
Parent code: K13

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.