K12.1 – Other forms of stomatitis
ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands
ICD-10-CM code
K12.1
- Code
K12.1(claims format:K121)- Description
- Other forms of stomatitis
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K00-K14 Diseases of oral cavity and salivary glands
- Parent codes
- K12
Notes for K12.1
Applicable to:
- Stomatitis NOS
- Denture stomatitis
- Ulcerative stomatitis
- Vesicular stomatitis
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K12 – Stomatitis and related lesions
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)
Index terms for K12.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Stomatitis
- Stomatitis, septic
- Stomatitis, catarrhal
- Stomatitis, malignant
- Stomatitis, vesicular
- Stomatitis, follicular
- Catarrh, catarrhal, mouth
- Stomatitis, membranous acute
- Inflammation, inflamed, inflammatory, mouth
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, buccal
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, palate
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, stomatitis
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, oral mucosa
Related codes in K12
Frequently asked questions
What is ICD-10 code K12.1?
K12.1 is the ICD-10-CM code for other forms of stomatitis, in the block K00-K14 (Diseases of oral cavity and salivary glands).
Is K12.1 a billable code?
Yes. K12.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K12.1 belong to?
It belongs to category K12 – Stomatitis and related lesions.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.