K13.0 Diseases of lips

Billable ICD-10-CM code, FY2026.

Applicable to

• Abscess of lips
• Angular cheilitis
• Cellulitis of lips
• Cheilitis NOS
• Cheilodynia
• Cheilosis
• Exfoliative cheilitis
• Fistula of lips
• Glandular cheilitis
• Hypertrophy of lips
• Perlèche NEC

Excludes1 (never code together)

• ariboflavinosis (E53.0)
• cheilitis due to radiation-related disorders (L55-L59)
• congenital fistula of lips (Q38.0)
• congenital hypertrophy of lips (Q18.6)
• Perlèche due to candidiasis (B37.83)
• Perlèche due to riboflavin deficiency (E53.0)

Applies from K13 Other diseases of lip and oral mucosa

Includes

• epithelial disturbances of tongue

Excludes2 (not included here)

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

Use additional code

• code to identify:
• alcohol abuse and dependence (F10.-)
• exposure to environmental tobacco smoke (Z77.22)
• exposure to tobacco smoke in the perinatal period (P96.81)
• history of tobacco dependence (Z87.891)
• occupational exposure to environmental tobacco smoke (Z57.31)
• tobacco dependence (F17.-)
• tobacco use (Z72.0)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 528.5 Diseases of lips

Code annotations containing back-references to K13.0

Back-references to K13.0

• Type 1 Excludes: K12 Stomatitis and related lesions ("cheilitis (K13.0)")
• Type 2 Excludes: L03.211 Cellulitis of face ("cellulitis of lip (K13.0)")

Diagnosis Index entries for K13.0

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › lip
• Angulus infectiosus (lips)
• Atrophy, atrophic (of) › lip
• Baelz's disease (cheilitis glandularis apostematosa)
• Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) › lip
• Cheilitis (acute) (angular) (catarrhal) (chronic) (exfoliative) (gangrenous) (glandular) (infectional) (suppurative) (ulcerative) (vesicular)
• Cheilodynia
• Cheilosis (angular)
• Cyst (colloid) (mucous) (simple) (retention) › lip (gland)
• Deformity › lip (acquired) NEC
• Disease, diseased › Baelz's (cheilitis glandularis apostematosa)
• Disease, diseased › lip
• Disease, diseased › Puente's (simple glandular cheilitis)
• Disturbance (s) › keratinization NEC › lip
• Ectropion › lip (acquired)
• Fissure, fissured › lip
• Fistula (cutaneous) › lip
• Hypertrophy, hypertrophic › frenulum, frenum (tongue) › lip
• Hypertrophy, hypertrophic › lip
• Inflammation, inflamed, inflammatory (with exudation) › lip
• Intertrigo › labialis
• Lesion (s) (nontraumatic) › lip
• Myxadenitis labialis
• Paralysis, paralytic (complete) (incomplete) › lip
• Perlèche NEC
• Puente's disease (simple glandular cheilitis)
• Stomatitis (denture) (ulcerative) › angular
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › lip

Nearby codes

• K13 Other diseases of lip and oral mucosa
• K13.0 Diseases of lips (this code)
• K13.1 Cheek and lip biting
• K13.2 Leukoplakia and other disturbances of oral epithelium, including tongue
• K13.21 Leukoplakia of oral mucosa, including tongue
• K13.22 Minimal keratinized residual ridge mucosa
• K13.23 Excessive keratinized residual ridge mucosa