MS-DRG v44.0 · MDC 16: Diseases and Disorders of the Blood and Blood Forming Organs and Immunological Disorders
813 — Coagulation Disorders
- Relative weight
- 1.5257
- Geometric mean LOS
- 3.6 days
- Arithmetic mean LOS
- 4.6 days
- Type
- Medical
About MS-DRG 813
MS-DRG 813, Coagulation Disorders, is a medical DRG in MDC 16 (Diseases and Disorders of the Blood and Blood Forming Organs and Immunological Disorders) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 1.5257, so Medicare's base payment for this DRG is about 1.53 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 3.6 days and the arithmetic mean is 4.6 days.
40 ICD-10-CM diagnosis codes are part of this DRG's grouping logic; they are listed below.
ICD-10-CM codes that group to DRG 813 (40)
Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- D65Disseminated intravascular coagulation [defibrination syndrome]
- D66Hereditary factor VIII deficiency
- D67Hereditary factor IX deficiency
- D68.00Von Willebrand disease, unspecified
- D68.01Von Willebrand disease, type 1
- D68.020Von Willebrand disease, type 2A
- D68.021Von Willebrand disease, type 2B
- D68.022Von Willebrand disease, type 2M
- D68.023Von Willebrand disease, type 2N
- D68.029Von Willebrand disease, type 2, unspecified
- D68.03Von Willebrand disease, type 3
- D68.04Acquired von Willebrand disease
- D68.09Other von Willebrand disease
- D68.1Hereditary factor XI deficiency
- D68.2Hereditary deficiency of other clotting factors
- D68.311Acquired hemophilia
- D68.318Other hemorrhagic disorder due to intrinsic circulating anticoagulants, antibodies, or inhibitors
- D68.32Hemorrhagic disorder due to extrinsic circulating anticoagulants
- D68.4Acquired coagulation factor deficiency
- D68.8Other specified coagulation defects
- D68.9Coagulation defect, unspecified
- D69.0Allergic purpura
- D69.11Glanzmann thrombasthenia
- D69.19Other qualitative platelet defects
- D69.2Other nonthrombocytopenic purpura
- D69.3Immune thrombocytopenic purpura
- D69.41Evans syndrome
- D69.42Congenital and hereditary thrombocytopenia purpura
- D69.49Other primary thrombocytopenia
- D69.51Posttransfusion purpura
- D69.59Other secondary thrombocytopenia
- D69.6Thrombocytopenia, unspecified
- D69.8Other specified hemorrhagic conditions
- D69.9Hemorrhagic condition, unspecified
- D75.821Non-immune heparin-induced thrombocytopenia
- D75.822Immune-mediated heparin-induced thrombocytopenia
- D75.828Other heparin-induced thrombocytopenia syndrome
- D75.829Heparin-induced thrombocytopenia, unspecified
- D75.84Other platelet-activating anti-PF4 disorders
Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Common questions about DRG 813
What is the relative weight of DRG 813?
- 1.5257 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 813?
- The geometric mean length of stay is 3.6 days; the arithmetic mean is 4.6 days.
Is DRG 813 medical or surgical?
- DRG 813 is a medical DRG.