ICD-10 code for Angular stomatitis

The ICD-10-CM code for Angular stomatitis is K13.0 (Diseases of lips). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on K13.0.

Within K13 (other diseases of lip and oral mucosa), K13.0 is specifically for diseases of lips. Related codes cover cheek and lip biting (K13.1), leukoplakia and other disturbances of oral epithelium, including tongue (K13.2), Hairy leukoplakia (K13.3), granuloma and granuloma-like lesions of oral mucosa (K13.4), oral submucous fibrosis (K13.5), Irritative hyperplasia of oral mucosa (K13.6) and other and unspecified lesions of oral mucosa (K13.7).

Don't report K13.0 together with the conditions in its Excludes1 note: ariboflavinosis (E53.0), cheilitis due to radiation-related disorders (L55-L59), congenital fistula of lips (Q38.0), congenital hypertrophy of lips (Q18.6) and 2 more.

Use an 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) and 2 more.