MS-DRG 813Medical
Coagulation Disorders
Major Diagnostic Category 16·Grouped by diagnosis·FY 2027
MS-DRG 813 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 16 (MDC 16). It maps to 40 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 1.5257 with a geometric mean length of stay of 3.6 days and an arithmetic mean of 4.6 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.
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FY 2027 payment data
From Table 5 of the FY 2027 IPPS Final Rule (CMS).
- Relative weight:
- 1.5257 (payment multiplier vs. the average case (1.0))
- Geometric mean stay:
- 3.6 days (used for transfer payments)
- Average stay:
- 4.6 days (arithmetic mean)
- Post-acute transfer policy:
- No (not subject to it)
Diagnosis codes (40)
As the principal diagnosis, these ICD-10-CM codes can group to DRG 813. 100% of the codes listed are billable.
- 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
- R23.3Spontaneous ecchymoses