ICD-10-CM · Chapter 2 · C00-D49
C77 Secondary and unspecified malignant neoplasm of lymph nodes
Excludes 1 (cannot be coded together)
- malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)
- mesentery metastasis of carcinoid tumor (C7B.04)
- secondary carcinoid tumors of distant lymph nodes (C7B.01)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| C77..0 | Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck | Yes |
| C77..1 | Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes | Yes |
| C77..2 | Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodes | Yes |
| C77..3 | Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes | Yes |
| C77..4 | Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes | Yes |
| C77..5 | Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes | Yes |
| C77..8 | Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions | Yes |
| C77..9 | Secondary and unspecified malignant neoplasm of lymph node, unspecified | Yes |
Last reviewed: September 2026