All ICD10 Codes

C79.89

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Secondary malignant neoplasm of other specified sites

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 2: Neoplasms (C00-D49).
General instructions are available for the parent sections:
View C79 Notes

Clinical Hierarchy

CH2Neoplasms (C00-D49)
C76-C80Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
C79Secondary malignant neoplasm of other and unspecified sites
C79.8Secondary malignant neoplasm of other specified sites
C79.89Secondary malignant neoplasm of other specified sites

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C79.89:

categoryC79
Secondary malignant neoplasm of other and unspecified sites
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to C79.89. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Melanoma (malignant)1 unique routes
metastatic
specified site NEC→C79.89
Neoplasm, neoplastic24 unique routes
adenoid (pharynx) (tissue)→C79.89
adipose tissue→C79.89
adnexa (uterine)→C79.89
alveolar→C79.89(8 variants)
mucosa→C79.89(3 variants)
lower→C79.89
upper→C79.89
ridge or process(3 variants)
mucosa→C79.89(3 variants)
lower→C79.89
upper→C79.89
sulcus→C79.89
alveolus→C79.89(3 variants)
lower→C79.89
upper→C79.89
ankle NEC→C79.89
antecubital fossa or space→C79.89
aorta (thoracic)→C79.89(2 variants)
abdominal→C79.89
Rathke's pouch→C79.89
Rosenmuller's fossa→C79.89
Stensen's duct→C79.89
Waldeyer's ring→C79.89
Wharton's duct→C79.89
Zuckerkandl organ→C79.89

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 826
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with MCC
DRG 827
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with CC
DRG 828
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures without CC/MCC
DRG 829
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Other Procedures with CC/MCC
DRG 830
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Other Procedures without CC/MCC
DRG 843
Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses with MCC
DRG 844
Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses with CC
DRG 845
Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses without CC/MCC

Cross Reference

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