C79.9 - Secondary malignant neoplasm of unspecified site

  • Applicable to Secondary malignant neoplasm of unspecified site
  • The 2025 edition of ICD10-CM C79.9 became effective on October 1, 2024.
  • This is the American ICD10-CM version of C79.9 - other international versions of ICD10 C79.9 may differ.
  • C79.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

 Inclusion Term

  • Metastatic cancer NOS
  • Metastatic disease NOS

Type 1 Excludes

  • carcinomatosis NOS (C80.0)
  • generalized cancer NOS (C80.0)
  • malignant (primary) neoplasm of unspecified site (C80.1)

The following codes above C79.9 contain annotation back-references that may be applicable to C79.9:

Chapter: C00-D49 Neoplasms

Section: C76-C80 Malignant neoplasms of ill-defined, other secondary and unspecified sites

Category: C79 Secondary malignant neoplasm of other and unspecified sites

neoplasm icd 10
 
malignant icd 10
 
Billable/Specific Code

Browse other similar CM codes

C79.0
 
C79.00
 
C79.01
 
C79.02
 
C79.1
 
C79.10
 
C79.11
 
C79.19
 
C79.2
 
C79.3
 
C79.31
 
C79.32
 
C79.4
 
C79.40
 
C79.49
 
C79.5
 
C79.51
 
C79.52
 
C79.6
 
C79.60
 
C79.61
 
C79.62
 
C79.63
 
C79.7
 
C79.70
 
C79.71
 
C79.72
 
C79.8
 
C79.81
 
C79.82
 

Please, give attribution to our website icd-10code.com