K12

Stomatitis and related lesions

Non-billable header

K12 is a non-billable header code. Use one of the more specific codes below.

Excludes1

Not coded here — never report together with this code.

  • cancrum oris (A69.0)
  • cheilitis (K13.0)
  • gangrenous stomatitis (A69.0)
  • herpesviral [herpes simplex] gingivostomatitis (B00.2)
  • noma (A69.0)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Use additional code

Add a code to identify the following, if applicable.

  • 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)

More specific codes K12

  • K12.0Recurrent oral aphthaeBillable
  • K12.1Other forms of stomatitisBillable
  • K12.2Cellulitis and abscess of mouthBillable
  • K12.3Oral mucositis (ulcerative)Header

Related codes

  • K00Disorders of tooth development and eruptionHeader
  • K01Embedded and impacted teethHeader
  • K02Dental cariesHeader
  • K03Other diseases of hard tissues of teethHeader
  • K04Diseases of pulp and periapical tissuesHeader
  • K05Gingivitis and periodontal diseasesHeader
  • K06Other disorders of gingiva and edentulous alveolar ridgeHeader
  • K08Other disorders of teeth and supporting structuresHeader
  • K09Cysts of oral region, not elsewhere classifiedHeader
  • K11Diseases of salivary glandsHeader
  • K13Other diseases of lip and oral mucosaHeader
  • K14Diseases of tongueHeader

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