All ICD10 Codes

C77

Non-Billable
ChapterC00–D49
Rankcategory
Description

Secondary and unspecified malignant neoplasm of lymph nodes

About ICD-10-CM code C77

Under C00-D49 Neoplasms, within Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80), ICD-10-CM code C77 describes Secondary and unspecified malignant neoplasm of lymph nodes. This code cannot be billed directly because more specific child codes exist beneath it.

Use a more specific code (8 billable)
C77.0Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neckC77.1Secondary and unspecified malignant neoplasm of intrathoracic lymph nodesC77.2Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodesC77.3Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodesC77.4Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodesC77.5Secondary and unspecified malignant neoplasm of intrapelvic lymph nodesC77.8Secondary and unspecified malignant neoplasm of lymph nodes of multiple regionsC77.9Secondary and unspecified malignant neoplasm of lymph node, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • 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)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C76-C80Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
C77Secondary and unspecified malignant neoplasm of lymph nodesNot billable
C77.0Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neckBillable
C77.1Secondary and unspecified malignant neoplasm of intrathoracic lymph nodesBillable
C77.2Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodesBillable
C77.3Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodesBillable
C77.4Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodesBillable
C77.5Secondary and unspecified malignant neoplasm of intrapelvic lymph nodesBillable
C77.8Secondary and unspecified malignant neoplasm of lymph nodes of multiple regionsBillable
C77.9Secondary and unspecified malignant neoplasm of lymph node, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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