Non-Billable / Non-Specific Code
ICD-10-CM K13.7 is the diagnosis code for Other and unspecified lesions of oral mucosa. This code falls under the section "Diseases of oral cavity and salivary glands" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where K13.7 sits in the ICD-10-CM classification helps ensure proper coding:
No, K13.7 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
K13.7 is the ICD-10-CM diagnosis code for "Other and unspecified lesions of oral mucosa". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K13.7 is K13 ("Other diseases of lip and oral mucosa"). K13.7 provides a more specific classification within this category.
K13.7 is located in Section K00-K14 — "Diseases of oral cavity and salivary glands" within Chapter 11 of the ICD-10-CM Tabular List.
K13.7 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use K13.7 when the patients documented diagnosis matches "Other and unspecified lesions of oral mucosa" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Other and unspecified lesions of oral mucosa is K13.7.
No, K13.7 is non-billable. Use a more specific sub-code for primary diagnosis billing.
K13.7 is in Chapter 11 of the ICD-10-CM Tabular List.
Yes, K13.7 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.