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 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
Additional codes that should follow this code
- 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)
Child Codes (4)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code K12?
ICD-10-CM code K12 represents "Stomatitis and related lesions". It 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 you should also code: 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).
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.
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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.