C79.9
BillableSecondary malignant neoplasm of unspecified site
C79.9 is the ICD-10-CM code for Secondary malignant neoplasm of unspecified site. It is a billable, specific code valid for reimbursement.
C00-D49 Neoplasms
Includes
- •Metastatic cancer NOS
- •Metastatic disease NOS
Excludes1 — not coded here
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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