C77 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Secondary and unspecified malignant neoplasm of lymph nodes.
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Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck
Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes
Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodes
Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes
Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes
Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes
Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions
Secondary and unspecified malignant neoplasm of lymph node, unspecified
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