C77

Non-billable

Secondary and unspecified malignant neoplasm of lymph nodes

Secondary and unspecified malignant neoplasm of lymph nodes

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

C76-C80

Child Codes

8

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)
  • mesentary metastasis of carcinoid tumor (C7B.04)
  • secondary carcinoid tumors of distant lymph nodes (C7B.01)

Child Codes (8)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code C77?

ICD-10-CM code C77 represents "Secondary and unspecified malignant neoplasm of lymph nodes". It is a non-billable header code — use a more specific child code for billing purposes.

Is C77 a billable code?

No, C77 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under C77.

What chapter is C77 in?

C77 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C77?

C77 has Excludes1 notes indicating codes that cannot be used together with it, including: malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-); mesentary metastasis of carcinoid tumor (C7B.04); secondary carcinoid tumors of distant lymph nodes (C7B.01).

What are the subcategories under C77?

C77 has 8 child codes, including: 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), and 4 more.

What are the UMLS CUIs for C77?

C77 is linked to 1 UMLS Concept Unique Identifier: C0686619. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.