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C79.5

⚠ Non-billable (Header)

Secondary malignant neoplasm of bone and bone marrow

Neoplasms (C00-D49)

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

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❌ Excludes1

direct

Cannot be coded with C79.5

  • • secondary carcinoid tumors of bone (C7B.03)

❌ 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 (2)

C79.51Secondary malignant neoplasm of boneC79.52Secondary malignant neoplasm of bone marrow

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Code Information

CodeC79.5
BillableNo — Header code
ParentC79
CategoryNeoplasms (C00-D49)
Excludes13 rule(s)
Excludes20 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)