K13.7
⚠ Non-billable (Header)Other and unspecified lesions of oral mucosa
Diseases of the digestive system (K00-K95)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
- • cysts of oral region (K09.-)
- • diseases of tongue (K14.-)
- • stomatitis and related lesions (K12.-)
📋 Code Instructions
inherited- • 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)
Clinical Description
ICD-10-CM code K13.7 represents other and unspecified lesions of oral mucosa. This code falls under the Diseases of the digestive system (K00-K95) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 5-character code at the 4th level of specificity. There are 2 more specific child codes under K13.7.
Frequently Asked Questions
What is ICD-10 code K13.7?
ICD-10-CM code K13.7 is "Other and unspecified lesions of oral mucosa". It belongs to the category: Diseases of the digestive system (K00-K95).
Is K13.7 a billable ICD-10 code?
No, K13.7 is a non-billable header code. A more specific child code must be used for billing.
Can K13.7 be coded with other codes?
K13.7 has 4 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in K13
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)