K13 Other diseases of lip and oral mucosa Includes: epithelial disturbances of tongue Use additional 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 use (Z87.891) occupational exposure to environmental tobacco smoke (Z57.31) tobacco dependence (F17.-) tobacco use (Z72.0) Excludes2: certain disorders of gingiva and edentulous alveolar ridge (K05-K06) cysts of oral region (K09.-) diseases of tongue (K14.-) stomatitis and related lesions (K12.-) K13.0 Diseases of lips 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: 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) K13.1 Cheek and lip biting K13.2 Leukoplakia and other disturbances of oral epithelium, including tongue Excludes1: carcinoma in situ of oral epithelium (D00.0-) hairy leukoplakia (K13.3) K13.21 Leukoplakia of oral mucosa, including tongue Leukokeratosis of oral mucosa Leukoplakia of gingiva, lips, tongue Excludes1: hairy leukoplakia (K13.3) leukokeratosis nicotina palati (K13.24) K13.22 Minimal keratinized residual ridge mucosa Minimal keratinization of alveolar ridge mucosa K13.23 Excessive keratinized residual ridge mucosa Excessive keratinization of alveolar ridge mucosa K13.24 Leukokeratosis nicotina palati Smoker's palate K13.29 Other disturbances of oral epithelium, including tongue Erythroplakia of mouth or tongue Focal epithelial hyperplasia of mouth or tongue Leukoedema of mouth or tongue Other oral epithelium disturbances K13.3 Hairy leukoplakia K13.4 Granuloma and granuloma-like lesions of oral mucosa Eosinophilic granuloma Granuloma pyogenicum Verrucous xanthoma K13.5 Oral submucous fibrosis Submucous fibrosis of tongue K13.6 Irritative hyperplasia of oral mucosa Excludes2: irritative hyperplasia of edentulous ridge [denture hyperplasia] (K06.2) K13.7 Other and unspecified lesions of oral mucosa K13.70 Unspecified lesions of oral mucosa K13.79 Other lesions of oral mucosa Focal oral mucinosis
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