C80

Non-billable

Malignant 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 are the subcodes of C80?
C80 has 3 more specific child codes, including C80.0, C80.1, C80.2.
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.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.