MCMedicalCodingSoftware
829

MS-DRG 829: MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH OTHER PROCEDURES WITH CC/MCC

DRGSurgicalMDC 17

MS-DRG 829 is myeloproliferative disorders or poorly differentiated neoplasms with other procedures with cc/mcc, in MDC 17 (a surgical DRG), at the with-CC (complication or comorbidity) level. Its FY2027 relative weight is 3.1281, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 5.60 days. 114 ICD-10-CM principal diagnoses group into MS-DRGs 829–830 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
3.1281
Geometric mean LOS
5.60
Arithmetic mean LOS
8.30
Post-acute transfer
No

Principal diagnoses that group to MS-DRGs 829–830

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 114 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 829–830 the case lands in. The 24 most-searched:

  • Z85.3Personal history of malignant neoplasm of breast
  • Z08Encounter for follow-up examination after completed treatment for malignant neoplasm
  • C80.1Malignant (primary) neoplasm, unspecified
  • C7A.8Other malignant neuroendocrine tumors
  • C79.9Secondary malignant neoplasm of unspecified site
  • Z51.11Encounter for antineoplastic chemotherapy
  • Z85.038Personal history of other malignant neoplasm of large intestine
  • C79.89Secondary malignant neoplasm of other specified sites
  • Z85.46Personal history of malignant neoplasm of prostate
  • Z85.828Personal history of other malignant neoplasm of skin
  • C7A.1Malignant poorly differentiated neuroendocrine tumors
  • C80.0Disseminated malignant neoplasm, unspecified
  • Z85.118Personal history of other malignant neoplasm of bronchus and lung
  • Z85.51Personal history of malignant neoplasm of bladder
  • C37Malignant neoplasm of thymus
  • D3A.8Other benign neuroendocrine tumors
  • D48.7Neoplasm of uncertain behavior of other specified sites
  • D48.9Neoplasm of uncertain behavior, unspecified
  • E88.09Other disorders of plasma-protein metabolism, not elsewhere classified
  • Z51.0Encounter for antineoplastic radiation therapy
  • Z85.048Personal history of other malignant neoplasm of rectum, rectosigmoid junction, and anus
  • Z85.820Personal history of malignant melanoma of skin
  • Z85.850Personal history of malignant neoplasm of thyroid
  • D36.9Benign neoplasm, unspecified site

90 more codes group here. Open any code above for its full hierarchy, or check a whole claim in the free DRG calculator.

The severity splits

Same base DRG, split by whether a secondary diagnosis is a CC or MCC. The last column is the weight change from MS-DRG 829.

829MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH OTHER PROCEDURES WITH CC/MCC3.1281
830MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH OTHER PROCEDURES WITHOUT CC/MCC1.4859-1.6422

All FY2027 MS-DRGs · MDC 17

MS-DRG (IPPS Table 5)FY2027