C79.9
Secondary malignant neoplasm, unspecified site
Coding guidance (WHO 2019)
Carcinomatosis (secondary) Disseminated (secondary): cancer NOS malignancy NOS Generalized (secondary): cancer NOS malignancy NOS Multiple secondary cancer NOS Sarcomatosis (secondary) NOS
Sibling codes
C79Secondary malignant neoplasm of other and unspecified sitesC79.0Secondary malignant neoplasm of kidney and renal pelvisC79.1Secondary malignant neoplasm of bladder and other and unspecified urinary organsC79.2Secondary malignant neoplasm of skinC79.3Secondary malignant neoplasm of brain and cerebral meningesC79.4Secondary malignant neoplasm of other and unspecified parts of nervous systemC79.5Secondary malignant neoplasm of bone and bone marrowC79.6Secondary malignant neoplasm of ovaryC79.7Secondary malignant neoplasm of adrenal glandC79.8Secondary malignant neoplasm of other specified sites