Secondary malignant neoplasm of other and unspecified sites C79

The ICD10 code for the diagnosis "Secondary malignant neoplasm of other and unspecified sites" is "C79". C79 is NOT a 'valid' or 'billable' ICD10 code. Please select a more specific diagnosis below.

  • C79 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
  • The 2019 edition of ICD-10-CM C79 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of C79 - other international versions of ICD-10 C79 may differ.
Type 1 Excludes:
  • secondary carcinoid tumors (C7B.-)
  • secondary neuroendocrine tumors (C7B.-)

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.