Diseases of tongue Use additional code to identify:alcohol abuse and dependence (F10.-)exposure to environmental tobacco smoke (Z77.22)history of tobacco dependence (Z87.891)occupational exposure to environmental tobacco smoke (Z57.31)tobacco dependence (F17.-)tobacco use (Z72.0)Excludes2erythroplakia (K13.29)focal epithelial hyperplasia (K13.29)leukedema of tongue (K13.29)leukoplakia of tongue (K13.21)hairy leukoplakia (K13.3)macroglossia (congenital) (Q38.2)submucous fibrosis of tongue (K13.5)