C77Secondary and unspecified malignant neoplasm of lymph nodes
ICD-10-CM category (non-billable header) code — part of Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
Coding Notes
Excludes1 (never code both 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)
Subcategories (8)
- C77.0 Sec and unsp malig neoplasm of nodes of head, face and neck
- C77.1 Secondary and unsp malignant neoplasm of intrathorac nodes
- C77.2 Secondary and unsp malignant neoplasm of intra-abd nodes
- C77.3 Sec and unsp malig neoplasm of axilla and upper limb nodes
- C77.4 Sec and unsp malig neoplasm of inguinal and lower limb nodes
- C77.5 Secondary and unsp malignant neoplasm of intrapelv nodes
- C77.8 Sec and unsp malig neoplasm of nodes of multiple regions
- C77.9 Secondary and unsp malignant neoplasm of lymph node, unsp