K13.7 – Other and unspecified lesions of oral mucosa
ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands
ICD-10-CM code
K13.7
- Code
K13.7(claims format:K137)- Description
- Other and unspecified lesions of oral mucosa
- Billable
- No – use a more specific code below
- 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
Billable codes under K13.7
K13.7 is a header code and cannot be used on claims. Choose the most specific code:
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)
Related codes in K13
- K13.0 – Diseases of lipsBillable
- K13.1 – Cheek and lip bitingBillable
- K13.2 – Leukoplakia and other disturbances of oral epithelium, including tongueHeader
- K13.3 – Hairy leukoplakiaBillable
- K13.4 – Granuloma and granuloma-like lesions of oral mucosaBillable
- K13.5 – Oral submucous fibrosisBillable
- K13.6 – Irritative hyperplasia of oral mucosaBillable
Frequently asked questions
What is ICD-10 code K13.7?
K13.7 is the ICD-10-CM code for other and unspecified lesions of oral mucosa, in the block K00-K14 (Diseases of oral cavity and salivary glands).
Is K13.7 a billable code?
No. K13.7 is a header code with more specific child codes; report one of the billable codes listed above.
What category does K13.7 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.