K12
Non-billableStomatitis and related lesions
Stomatitis and related lesions
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Use Additional Code
Additional codes that should follow this code
Child Codes (4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for stomatitis and related lesions?
The ICD-10-CM code for stomatitis and related lesions is K12. The full clinical description is "Stomatitis and related lesions". K12 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K12 mean?
ICD-10-CM code K12 represents “Stomatitis and related lesions”. It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.
Is K12 a billable code?
No, K12 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under K12.
What chapter is K12 in?
K12 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K12?
K12 has Excludes1 notes indicating codes that cannot be used together with it, including: cancrum oris (A69.0); cheilitis (K13.0); gangrenous stomatitis (A69.0); and 2 more.
What are the subcategories under K12?
K12 has 4 child codes, including: K12.0 (Recurrent oral aphthae), K12.1 (Other forms of stomatitis), K12.2 (Cellulitis and abscess of mouth), K12.3 (Oral mucositis (ulcerative)).
Are additional codes required with K12?
Yes, when using K12, also report: ; 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).
What are the UMLS CUIs for K12?
K12 is linked to 1 UMLS Concept Unique Identifier: C0494713. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K12 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like stomatitis and related lesions affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K12?
K12 maps to the ICD-11 code: DA01.Z (Disorder of oral mucosa, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.