AutoICD API

C79.4

Non-billable

Secondary malig neoplasm of and unsp parts of nervous sys

Secondary malignant neoplasm of other and unspecified parts of nervous system

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

Parent Code

C79

Child Codes

2

ICD-11 Mapping

1 equivalent

Coding Notes

Excludes 1

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

  • secondary carcinoid tumors (C7B.-)
  • secondary neuroendocrine tumors (C7B.-)

Child Codes (2)

Related Codes(9)
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for secondary malig neoplasm of and unsp parts of nervous sys?

The ICD-10-CM code for secondary malig neoplasm of and unsp parts of nervous sys is C79.4. The full clinical description is "Secondary malignant neoplasm of other and unspecified parts of nervous system". C79.4 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code C79.4 mean?

ICD-10-CM code C79.4 represents “Secondary malignant neoplasm of other and unspecified parts of nervous system”. It is classified under Chapter 2: Neoplasms and is a non-billable header code. Use a more specific child code for billing purposes.

Is C79.4 a billable code?

No, C79.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under C79.4.

What chapter is C79.4 in?

C79.4 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C79.4?

C79.4 has Excludes1 notes indicating codes that cannot be used together with it, including: secondary carcinoid tumors (C7B.-); secondary neuroendocrine tumors (C7B.-).

What are the subcategories under C79.4?

C79.4 has 2 child codes, including: C79.40 (Secondary malignant neoplasm of unsp part of nervous system), C79.49 (Secondary malignant neoplasm of oth parts of nervous system).

What are the UMLS CUIs for C79.4?

C79.4 is linked to 1 UMLS Concept Unique Identifier: C0348385. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does C79.4 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like secondary malig neoplasm of and unsp parts of nervous sys affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of C79.4?

C79.4 maps to the ICD-11 code: 2E2Z (Malignant neoplasm metastasis, unspecified).

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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.