K13.79 – Other lesions of oral mucosa
ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands
ICD-10-CM code
K13.79
- Code
K13.79(claims format:K1379)- Description
- Other lesions of oral mucosa
- 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
- K13 › K13.7
Notes for K13.79
Applicable to:
- Focal oral mucinosis
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K13 – Other diseases of lip and oral mucosa
Includes:
- epithelial disturbances of tongue
Excludes2 (not included 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 K13.79
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Sore, mouth
- Pain, mouth
- Palatoplegia
- Lesion, mouth
- Stomatorrhagia
- Mucinosis, oral
- Cicatrix, mouth
- Deformity, mouth
- Cicatrix, palate
- Lesion, buccal cavity
- Mucocele, buccal cavity
- Paralysis, paralytic, uvula
- Paralysis, paralytic, palate
- Hemorrhage, hemorrhagic, mouth
- Perforation, perforated, uvula
- Hypertrophy, hypertrophic, uvula
- Atrophy, atrophic, buccal cavity
- Paralysis, paralytic, velum palati
- Hypertrophy, hypertrophic, palate, soft
- Insufficiency, insufficient, velopharyngeal, acquired
Related codes in K13.7
Frequently asked questions
What is ICD-10 code K13.79?
K13.79 is the ICD-10-CM code for other lesions of oral mucosa, in the block K00-K14 (Diseases of oral cavity and salivary glands).
Is K13.79 a billable code?
Yes. K13.79 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K13.79 belong to?
It belongs to category K13 – Other diseases of lip and oral mucosa.
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.