C80
Non-billableMalignant neoplasm without specification of site
C80 is the ICD-10-CM code for Malignant neoplasm without specification of site. It is a non-billable category code — use a more specific child code such as C80.0 for billing.
- Status
- Header (non-billable)
- Chapter
- C00-D49
- Subcodes
- 3
- Edition
- FY2026
C00-D49 Neoplasms
Excludes1 — not coded here
- •malignant carcinoid tumor of unspecified site (C7A.00)
- •malignant neoplasm of specified multiple sites- code to each site
Frequently asked questions
- What is ICD-10 code C80?
- C80 is the ICD-10-CM code for "Malignant neoplasm without specification of site". It falls under C00-D49 Neoplasms.
- Is C80 a billable code?
- No — C80 is a non-billable header code. Use a more specific child code (such as C80.0) for billing.
- What is excluded from C80?
- Excludes1 (not coded here): malignant carcinoid tumor of unspecified site (C7A.00); malignant neoplasm of specified multiple sites- code to each site.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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