Non-Billable / Non-Specific Code
ICD-10-CM C06 is the diagnosis code for Malignant neoplasm of other and unspecified parts of mouth. This code falls under the section "Malignant neoplasms of lip, oral cavity and pharynx" within Chapter 2 — Neoplasms (C00-D49). 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 C06 sits in the ICD-10-CM classification helps ensure proper coding:
No, C06 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
C06 is the ICD-10-CM diagnosis code for "Malignant neoplasm of other and unspecified parts of mouth". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
C06 is located in Section C00-C14 — "Malignant neoplasms of lip, oral cavity and pharynx" within Chapter 2 of the ICD-10-CM Tabular List.
C06 has 5 sub-code(s) that provide more specific detail: C06.0, C06.1, C06.2, C06.8, C06.9.
Use C06 when the patients documented diagnosis matches "Malignant neoplasm of other and unspecified parts of mouth" 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 Malignant neoplasm of other and unspecified parts of mouth is C06.
No, C06 is non-billable. Use a more specific sub-code for primary diagnosis billing.
C06 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, C06 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.