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K12 - Stomatitis and related lesions


The ICD 10 Code for Stomatitis and related lesions is listed as K12.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K12
Description: Stomatitis and related lesions
  • 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)
  • Excludes1: cancrum oris (A69.0)
  • cheilitis (K13.0)
  • gangrenous stomatitis (A69.0)
  • herpesviral [herpes simplex] gingivostomatitis (B00.2)
  • noma (A69.0)
Chapter Diseases of the digestive system (K00-K95)
ICD-10-CM Children (deeper level / typically more specific) of K12:
K12.0 - Recurrent oral aphthae
K12.1 - Other forms of stomatitis
K12.2 - Cellulitis and abscess of mouth
K12.3 - Oral mucositis (ulcerative)