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C79.8

⚠ Non-billable (Header)

Secondary malignant neoplasm of other specified sites

Neoplasms (C00-D49)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from C79

Rules from parent category C79: Secondary malignant neoplasm of other and unspecified sites

  • • secondary carcinoid tumors (C7B.-)
  • • secondary neuroendocrine tumors (C7B.-)

Child Codes (3)

C79.81Secondary malignant neoplasm of breastC79.82Secondary malignant neoplasm of genital organsC79.89Secondary malignant neoplasm of other specified sites

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Code Information

CodeC79.8
BillableNo — Header code
ParentC79
CategoryNeoplasms (C00-D49)
Excludes12 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)