K12.1
ICD-10BillableOther forms of stomatitis
Official ICD-10-CM descriptor (FY2026)
Other forms of stomatitis
K12.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Stomatitis NOS
- Denture stomatitis
- Ulcerative stomatitis
- Vesicular stomatitis
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- acute necrotizing ulcerative stomatitis (A69.1)
- Vincent's stomatitis (A69.1)
Related codes in K12
Where this code sits
- Parent code
- K12
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.