C77.3
ICD-10BillableSec and unsp malig neoplasm of axilla and upper limb nodes
Official ICD-10-CM descriptor (FY2026)
Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes
C77.3 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Secondary and unspecified malignant neoplasm of pectoral lymph nodes
Related codes in C77
- C77.0Sec and unsp malig neoplasm of nodes of head, face and neck
- C77.1Secondary and unsp malignant neoplasm of intrathorac nodes
- C77.2Secondary and unsp malignant neoplasm of intra-abd nodes
- C77.4Sec and unsp malig neoplasm of inguinal and lower limb nodes
- C77.5Secondary and unsp malignant neoplasm of intrapelv nodes
- C77.8Sec and unsp malig neoplasm of nodes of multiple regions
- C77.9Secondary and unsp malignant neoplasm of lymph node, unsp
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
- Parent code
- C77
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.