C79.4
Non-billableSecondary 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.
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)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code C79.4?
ICD-10-CM code C79.4 represents "Secondary malignant neoplasm of other and unspecified parts of nervous system". It 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.
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.