Non-Billable / Non-Specific Code
ICD-10-CM C14 is the diagnosis code for Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx. 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.
The following conditions should never be coded at the same time as C14. They are mutually exclusive:
Understanding where C14 sits in the ICD-10-CM classification helps ensure proper coding:
No, C14 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
C14 is the ICD-10-CM diagnosis code for "Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
C14 is located in Section C00-C14 — "Malignant neoplasms of lip, oral cavity and pharynx" within Chapter 2 of the ICD-10-CM Tabular List.
C14 has 3 sub-code(s) that provide more specific detail: C14.0, C14.2, C14.8.
Use C14 when the patients documented diagnosis matches "Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx" 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 ill-defined sites in the lip, oral cavity and pharynx is C14.
No, C14 is non-billable. Use a more specific sub-code for primary diagnosis billing.
C14 is in Chapter 2 of the ICD-10-CM Tabular List.
Type 1 Excludes for C14 include: malignant neoplasm of oral cavity NOS (C06.9).
Yes, C14 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.