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
What this means — in plain language
MedlinePlus · NIHWhat is cancer? Cancer is not just one disease but many diseases. Cancer begins in your cells, which are the building blocks of your body. Usually, your body forms new cells as needed, replacing old cells that die. Sometimes this process goes wrong. New cells grow even when you don't need them, and old cells don't die when they should. These extra cells can form a mass called a tumor. Tumors can be benign or…
Read more about Cancer at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •malignant carcinoid tumor of unspecified site (C7A.00)
- •malignant neoplasm of specified multiple sites- code to each site
Medications indicated for this condition
FDA labeling- ClonidineCentral alpha-2 Adrenergic Agonist [EPC]›
- fluorodeoxyglucose F18Radioactive Diagnostic Agent [EPC]›
- AllopurinolXanthine Oxidase Inhibitor [EPC]›
- FentanylOpioid Agonist [EPC]›
- FilgrastimLeukocyte Growth Factor [EPC]›
- Clonidine Hci›
- DostarlimabProgrammed Death Receptor-1 Blocking Antibody [EPC]›
- Prednisone D/pCorticosteroid [EPC]›
- Rasburicase›
- SelpercatinibKinase Inhibitor [EPC]›
- Trametinib›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
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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