| C77 | Secondary and unspecified malignant neoplasm of lymph nodes | NON-BILLABLE CODE |
| C77.1 | Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes | BILLABLE CODE |
| C77.2 | Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodes | BILLABLE CODE |
| C77.3 | Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes | BILLABLE CODE |
| C77.4 | Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes | BILLABLE CODE |
| C77.5 | Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes | BILLABLE CODE |
| C77.8 | Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions | BILLABLE CODE |
| C77.9 | Secondary and unspecified malignant neoplasm of lymph node, unspecified | BILLABLE CODE |
