C79
Non-billableSecondary malignant neoplasm of other and unspecified sites
Secondary malignant neoplasm of other and unspecified sites
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 (10)
C79.0Secondary malignant neoplasm of kidney and renal pelvis
C79.1Sec malig neoplm of bladder and oth and unsp urinary organs
C79.2Secondary malignant neoplasm of skin
C79.3Secondary malignant neoplasm of brain and cerebral meninges
C79.4Secondary malig neoplasm of and unsp parts of nervous sys
C79.5Secondary malignant neoplasm of bone and bone marrow
C79.6Secondary malignant neoplasm of ovary
C79.7Secondary malignant neoplasm of adrenal gland
C79.8Secondary malignant neoplasm of other specified sites
C79.9Secondary malignant neoplasm of unspecified site
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code C79?
ICD-10-CM code C79 represents "Secondary malignant neoplasm of other and unspecified sites". It is a non-billable header code — use a more specific child code for billing purposes.
Is C79 a billable code?
No, C79 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under C79.
What chapter is C79 in?
C79 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C79?
C79 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?
C79 has 10 child codes, including: C79.0 (Secondary malignant neoplasm of kidney and renal pelvis), C79.1 (Sec malig neoplm of bladder and oth and unsp urinary organs), C79.2 (Secondary malignant neoplasm of skin), C79.3 (Secondary malignant neoplasm of brain and cerebral meninges), and 6 more.
What are the UMLS CUIs for C79?
C79 is linked to 1 UMLS Concept Unique Identifier: C2845963. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.