K12
Non-billableStomatitis and related lesions
K12 is the ICD-10-CM code for Stomatitis and related lesions. It is a non-billable category code — use a more specific child code such as K12.0 for billing.
- Status
- Header (non-billable)
- Chapter
- K00-K95
- Subcodes
- 4
- Edition
- FY2026
K00-K95 Diseases of the digestive system
What this means — in plain language
MedlinePlus · NIHYour mouth is one of the most important parts of your body. It has many different functions. It allows you to: Take in food and drink Breathe in air Start digestion, with your teeth chewing the food you eat and your salivary glands releasing saliva to help break down the food Speak and sing Show emotion, by smiling or pouting Any problem that affects your mouth can make it hard to eat, drink, or even smile. Some…
Read more about Mouth Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
Use additional 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)
Medications indicated for this condition
FDA labeling- Cevimeline›
- PaliferminMucocutaneous Epithelial Cell Growth Factor [EPC]›
- penicillin V›
- Silver Nitrate Applicators›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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