ICD-10-CM · Chapter 2 · C00-D49
C79 Secondary malignant neoplasm of other and unspecified sites
Excludes 1 (cannot be coded together)
- secondary carcinoid tumors (C7B.-)
- secondary neuroendocrine tumors (C7B.-)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| C79..0 | Secondary malignant neoplasm of kidney and renal pelvis | No |
| C79..00 | Secondary malignant neoplasm of unspecified kidney and renal pelvis | Yes |
| C79..01 | Secondary malignant neoplasm of right kidney and renal pelvis | Yes |
| C79..02 | Secondary malignant neoplasm of left kidney and renal pelvis | Yes |
| C79..1 | Secondary malignant neoplasm of bladder and other and unspecified urinary organs | No |
| C79..10 | Secondary malignant neoplasm of unspecified urinary organs | Yes |
| C79..11 | Secondary malignant neoplasm of bladder | Yes |
| C79..19 | Secondary malignant neoplasm of other urinary organs | Yes |
| C79..2 | Secondary malignant neoplasm of skin | Yes |
| C79..3 | Secondary malignant neoplasm of brain and cerebral meninges | No |
| C79..31 | Secondary malignant neoplasm of brain | Yes |
| C79..32 | Secondary malignant neoplasm of cerebral meninges | Yes |
| C79..4 | Secondary malignant neoplasm of other and unspecified parts of nervous system | No |
| C79..40 | Secondary malignant neoplasm of unspecified part of nervous system | Yes |
| C79..49 | Secondary malignant neoplasm of other parts of nervous system | Yes |
| C79..5 | Secondary malignant neoplasm of bone and bone marrow | No |
| C79..51 | Secondary malignant neoplasm of bone | Yes |
| C79..52 | Secondary malignant neoplasm of bone marrow | Yes |
| C79..6 | Secondary malignant neoplasm of ovary | No |
| C79..60 | Secondary malignant neoplasm of unspecified ovary | Yes |
| C79..61 | Secondary malignant neoplasm of right ovary | Yes |
| C79..62 | Secondary malignant neoplasm of left ovary | Yes |
| C79..63 | Secondary malignant neoplasm of bilateral ovaries | Yes |
| C79..7 | Secondary malignant neoplasm of adrenal gland | No |
| C79..70 | Secondary malignant neoplasm of unspecified adrenal gland | Yes |
| C79..71 | Secondary malignant neoplasm of right adrenal gland | Yes |
| C79..72 | Secondary malignant neoplasm of left adrenal gland | Yes |
| C79..8 | Secondary malignant neoplasm of other specified sites | No |
| C79..81 | Secondary malignant neoplasm of breast | Yes |
| C79..82 | Secondary malignant neoplasm of genital organs | Yes |
| C79..83 | Secondary malignant neoplasm of oral cavity | Yes |
| C79..89 | Secondary malignant neoplasm of other specified sites | Yes |
| C79..9 | Secondary malignant neoplasm of unspecified site | Yes |
Last reviewed: September 2026