ICD-10-CM code "K12.3": Oral mucositis (ulcerative) (2024)

Excludes

1. Diseases of the digestive system (K00-K95)

   Type 2certain conditions originating in the perinatal period (P04-P96)

   Type 2certain infectious and parasitic diseases (A00-B99)

   Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

   Type 2congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

   Type 2endocrine, nutritional and metabolic diseases (E00-E88)

   Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

   Type 2neoplasms (C00-D49)

   Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

2. Diseases of oral cavity and salivary glands (K00-K14)
3. Stomatitis and related lesions (K12)

   Type 1cancrum oris (A69.0)

   Type 1cheilitis (K13.0)

   Type 1gangrenous stomatitis (A69.0)

   Type 1herpesviral [herpes simplex] gingivostomatitis (B00.2)

   Type 1noma (A69.0)

4. Oral mucositis (ulcerative) (K12.3)

   Type 2gastrointestinal mucositis (ulcerative) (K92.81)

   Type 2mucositis (ulcerative) of vagina and vulva (N76.81)

   Type 2nasal mucositis (ulcerative) (J34.81)

Includes

1. Diseases of the digestive system (K00-K95)
2. Diseases of oral cavity and salivary glands (K00-K14)
3. Stomatitis and related lesions (K12)
4. Oral mucositis (ulcerative) (K12.3)

Subcategories

• Oral mucositis (ulcerative), unspecified (K12.30)
• Oral mucositis (ulcerative) due to antineoplastic therapy (K12.31)
• Oral mucositis (ulcerative) due to other drugs (K12.32)
• Oral mucositis (ulcerative) due to radiation (K12.33)
• Other oral mucositis (ulcerative) (K12.39)