ICD-10 C14
Non-Billable HeaderMalignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx
About ICD-10-CM C14
ICD-10-CM code C14 represents Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx. This is a non-billable header code in the Neoplasms chapter (block C14). The 2026 edition of ICD-10-CM C14 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with C14. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- malignant neoplasm of oral cavity NOS (C06.9)
Use Additional Code
When coding C14, also report these additional codes when applicable.
- 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)
Medicare LCD Coverage for C14
Local Coverage Determinations (LCDs) from CMS MACs that list C14 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing C14.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but C14 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with C14
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To C14
Other codes in section C00-C14 (Malignant neoplasms of lip, oral cavity and pharynx).
ICD-10 C14, Billing FAQ
Is ICD-10 code C14 billable? +
No, C14 is a non-billable header code. Use a more specific child code from block C14 when submitting claims.
What codes are Type 1 Excludes for C14? +
Type 1 Excludes (never code together with C14): malignant neoplasm of oral cavity NOS (C06.9)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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