ICD-10 C80
Non-Billable HeaderMalignant neoplasm without specification of site
About ICD-10-CM C80
ICD-10-CM code C80 represents Malignant neoplasm without specification of site. This is a non-billable header code in the chapter (block C80). The 2026 edition of ICD-10-CM C80 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 C80. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- malignant carcinoid tumor of unspecified site (C7A.00)
- malignant neoplasm of specified multiple sites- code to each site
Medicare LCD Coverage for C80
Local Coverage Determinations (LCDs) from CMS MACs that list C80 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 C80.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but C80 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with C80
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 C80
Other codes in section C76-C80 (Malignant neoplasms of ill-defined, other secondary and unspecified sites).
ICD-10 C80, Billing FAQ
Is ICD-10 code C80 billable? +
No, C80 is a non-billable header code. Use a more specific child code from block C80 when submitting claims.
What codes are Type 1 Excludes for C80? +
Type 1 Excludes (never code together with C80): malignant carcinoid tumor of unspecified site (C7A.00); malignant neoplasm of specified multiple sites- code to each site
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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