1. K13 Other diseases of lip and oral mucosa

    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 dependence (Z87.891)
    occupational exposure to environmental tobacco smoke (Z57.31)
    tobacco dependence (F17.-)
    tobacco use (Z72.0)

    Includes:

    • epithelial disturbances of tongue

    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.-)
    1. K13.0 Diseases of lips

      Inclusion term(s):

      • Abscess of lips
      • Angular cheilitis
      • Cellulitis of lips
      • Cheilitis NOS
      • Cheilodynia
      • Cheilosis
      • Exfoliative cheilitis
      • Fistula of lips
      • Glandular cheilitis
      • Hypertrophy of lips
      • Perlèche NEC
    2. K13.1 Cheek and lip biting

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

      1. K13.21 Leukoplakia of oral mucosa, including tongue

        Inclusion term(s):

        • Leukokeratosis of oral mucosa
        • Leukoplakia of gingiva, lips, tongue
      2. K13.22 Minimal keratinized residual ridge mucosa

        Inclusion term(s):

        • Minimal keratinization of alveolar ridge mucosa
      3. K13.23 Excessive keratinized residual ridge mucosa

        Inclusion term(s):

        • Excessive keratinization of alveolar ridge mucosa
      4. K13.24 Leukokeratosis nicotina palati

        Inclusion term(s):

        • Smoker's palate
      5. K13.29 Other disturbances of oral epithelium, including tongue

        Inclusion term(s):

        • Erythroplakia of mouth or tongue
        • Focal epithelial hyperplasia of mouth or tongue
        • Leukoedema of mouth or tongue
        • Other oral epithelium disturbances
    4. K13.3 Hairy leukoplakia

    5. K13.4 Granuloma and granuloma-like lesions of oral mucosa

      Inclusion term(s):

      • Eosinophilic granuloma
      • Granuloma pyogenicum
      • Verrucous xanthoma
    6. K13.5 Oral submucous fibrosis

      Inclusion term(s):

      • Submucous fibrosis of tongue
    7. K13.6 Irritative hyperplasia of oral mucosa

    8. K13.7 Other and unspecified lesions of oral mucosa

      1. K13.70 Unspecified lesions of oral mucosa

      2. K13.79 Other lesions of oral mucosa

        Inclusion term(s):

        • Focal oral mucinosis
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.