MS-DRG 844: OTHER MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASTIC DIAGNOSES WITH CC
MS-DRG 844 is other myeloproliferative disorders or poorly differentiated neoplastic diagnoses with cc, in MDC 17 (a medical DRG), at the with-CC (complication or comorbidity) level. Its FY2027 relative weight is 1.2551, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 3.70 days. 110 ICD-10-CM principal diagnoses group into MS-DRGs 843–845 under the CMS definitions manual; the most-searched are listed below.
FY2027 payment factors
- Relative weight
- 1.2551
- Geometric mean LOS
- 3.70
- Arithmetic mean LOS
- 4.80
- Post-acute transfer
- No
Principal diagnoses that group to MS-DRGs 843–845
From the CMS MS-DRG definitions manual’s principal-diagnosis index: 110 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 843–845 the case lands in. The 24 most-searched:
- Z85.3Personal history of malignant neoplasm of breast
- C80.1Malignant (primary) neoplasm, unspecified
- C7A.8Other malignant neuroendocrine tumors
- C79.9Secondary malignant neoplasm of unspecified site
- 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
- 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
- D49.89Neoplasm of unspecified behavior of other specified sites
- D49.9Neoplasm of unspecified behavior of unspecified site
- Z85.42Personal history of malignant neoplasm of other parts of uterus
86 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 844.
| 843 | OTHER MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASTIC DIAGNOSES WITH MCC | 1.9453 | +0.6902 |
| 844 | OTHER MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASTIC DIAGNOSES WITH CC | 1.2551 | |
| 845 | OTHER MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASTIC DIAGNOSES WITHOUT CC/MCC | 0.8447 | -0.4104 |
All FY2027 MS-DRGs · MDC 17