MS-DRG 811: RED BLOOD CELL DISORDERS WITH MCC
MS-DRG 811 is red blood cell disorders with mcc, in MDC 16 (a medical DRG), at the with-MCC (major complication or comorbidity) level. Its FY2027 relative weight is 1.3988, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 3.60 days. 134 ICD-10-CM principal diagnoses group into MS-DRGs 811–812 under the CMS definitions manual; the most-searched are listed below.
FY2027 payment factors
- Relative weight
- 1.3988
- Geometric mean LOS
- 3.60
- Arithmetic mean LOS
- 4.80
- Post-acute transfer
- No
Principal diagnoses that group to MS-DRGs 811–812
From the CMS MS-DRG definitions manual’s principal-diagnosis index: 134 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 811–812 the case lands in. The 24 most-searched:
- D64.9Anemia, unspecified
- D62Acute posthemorrhagic anemia
- D50.0Iron deficiency anemia secondary to blood loss (chronic)
- D50.9Iron deficiency anemia, unspecified
- D63.1Anemia in chronic kidney disease
- D46.9Myelodysplastic syndrome, unspecified
- D63.8Anemia in other chronic diseases classified elsewhere
- D50.8Other iron deficiency anemias
- D51.9Vitamin B12 deficiency anemia, unspecified
- D57.00Hb-SS disease with crisis, unspecified
- R71.8Other abnormality of red blood cells
- D53.9Nutritional anemia, unspecified
- D57.1Sickle-cell disease without crisis
- D63.0Anemia in neoplastic disease
- D64.81Anemia due to antineoplastic chemotherapy
- D51.0Vitamin B12 deficiency anemia due to intrinsic factor deficiency
- D51.8Other vitamin B12 deficiency anemias
- D52.9Folate deficiency anemia, unspecified
- D58.2Other hemoglobinopathies
- D64.89Other specified anemias
- D46.4Refractory anemia, unspecified
- D50.1Sideropenic dysphagia
- D51.3Other dietary vitamin B12 deficiency anemia
- D53.1Other megaloblastic anemias, not elsewhere classified
110 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 811.
| 811 | RED BLOOD CELL DISORDERS WITH MCC | 1.3988 | |
| 812 | RED BLOOD CELL DISORDERS WITHOUT MCC | 0.9234 | -0.4754 |
Choosing the principal diagnosis: Anemia ICD-10 codes, Iron deficiency anemia ICD-10 codes.
All FY2027 MS-DRGs · MDC 16