C77

Classification

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Coding Guidance

C77 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.

Includes

From C00-D49

Excludes 1

C81-C86, C88, C96

C7B.04

C7B.01

More Specific Codes

C77.0

Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck

C77.1

Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes

C77.2

Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodes

C77.3

Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes

C77.4

Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes

C77.5

Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes

C77.8

Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions

C77.9

Secondary and unspecified malignant neoplasm of lymph node, unspecified

External Resources

2025 ICD-10 guidelines from CMS.gov