K13.29 Other disturbances of oral epithelium, including tongue

Billable ICD-10-CM code, FY2026.

Applicable to

• Erythroplakia of mouth or tongue
• Focal epithelial hyperplasia of mouth or tongue
• Leukoedema of mouth or tongue
• Other oral epithelium disturbances

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)

Applies from K13.2 Leukoplakia and other disturbances of oral epithelium, including tongue

Excludes1 (never code together)

• carcinoma in situ of oral epithelium (D00.0-)
• hairy leukoplakia (K13.3)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 528.79 Other disturbances of oral epithelium, including tongue (approximate)

Code annotations containing back-references to K13.29

Back-references to K13.29

• Type 2 Excludes: K14 Diseases of tongue ("erythroplakia (K13.29)")
• Type 2 Excludes: K14 Diseases of tongue ("focal epithelial hyperplasia (K13.29)")
• Type 2 Excludes: K14 Diseases of tongue ("leukoedema of tongue (K13.29)")

Diagnosis Index entries for K13.29

• Disturbance (s) › keratinization NEC › oral (mucosa) (soft tissue)
• Disturbance (s) › keratinization NEC › tongue
• Disturbance (s) › oral epithelium, including tongue NEC
• Erythroplakia, oral epithelium, and tongue
• Hyperplasia, hyperplastic › epithelial › focal, oral, including tongue
• Hyperplasia, hyperplastic › epithelial › tongue
• Ichthyosis (congenital) › lingual
• Leukoedema, oral epithelium
• Lingua › tylosis
• Plaque (s) › tongue
• Psoriasis › buccal
• Psoriasis › mouth
• Tylosis (acquired) › buccalis
• Tylosis (acquired) › linguae
• White › patches of mouth

Nearby codes

• 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
• K13.24 Leukokeratosis nicotina palati
• K13.29 Other disturbances of oral epithelium, including tongue (this code)
• K13.3 Hairy leukoplakia
• K13.4 Granuloma and granuloma-like lesions of oral mucosa
• K13.5 Oral submucous fibrosis
• K13.6 Irritative hyperplasia of oral mucosa
• K13.7 Other and unspecified lesions of oral mucosa