Secondary malignant neoplasm of oral cavity
Neoplasms·Secondary malignant neoplasm of other specified sites·subcategory·FY 2027
Cancer: Cancer is not just one disease but many diseases. Cancer begins in your cells, which are the building blocks of your body. Usually, your body forms new cells as needed, replacing old cells that die. Sometimes this process goes wrong. New cells grow even when you don't need them, and old cells don't die when they should. These extra cells can form a mass called a tumor.
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Instructional notes
Where C79.83 sits
MS-DRGs
As the principal diagnosis, this code groups to these MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- 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
Code history
- FY 2026: replaced C79.89 (Secondary malignant neoplasm of other specified sites)
