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    v1.0.30
    OpenPayerBilling CodesDiseases and Disorders of Blood, Blood Forming Organs and Immunologic DisordersDRG 803-other-o-r-procedures-of-the-blood-and-blood-forming-organs-with-cc
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    Other O.R. Procedures of the Blood and Blood Forming Organs with CC: Inpatient Reimbursement Overview

    DRG 803 captures other operating room procedures of the blood and blood forming organs when a Complication or Comorbidity is present, covering a variety of surgical interventions on hematologic structures. Correct assignment matters for inpatient reimbursement because the Complication or Comorbidity designation raises the case weight and affects Medicare Severity Diagnosis-Related Group payment.

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    DRG 803 Overview

    DRG 803 covers inpatient admissions for other operating room procedures of the blood and blood forming organs with Complication or Comorbidity. This Diagnosis-Related Group includes a range of surgical or procedural interventions on hematologic structures that are more complex than non-OR treatments and that carry additional clinical risk due to the presence of Complication or Comorbidity. It matters for Medicare payment because the presence of Complication or Comorbidity increases the relative resource intensity and payment weight for the hospitalization. Accurate coding of the principal procedure and accompanying diagnoses determines Medicare Severity Diagnosis-Related Group assignment and thereby influences reimbursement.

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    Clinical Trials

    • Trials evaluating perioperative blood management strategies for patients undergoing complex operative procedures on the hematopoietic system (for example, studies comparing protocols for transfusion thresholds, use of cell salvage, or hemostatic agent protocols during O.R. procedures). These studies enroll patients with acute bleeding risks or chronic hematologic disorders undergoing operative interventions, and assess outcomes such as transfusion volume, operative blood loss, re-operation for hemorrhage, and short-term morbidity. Findings are relevant to providers for optimizing intraoperative care and to payers for reducing transfusion-related costs and complications that drive higher resource use.
    • Comparative effectiveness research comparing surgical versus minimally invasive or hybrid approaches for procedures on blood-forming organs (for example, open operative procedures versus endovascular, laparoscopic, or image-guided interventions in patients with splenic, hepatic, or marrow-related indications). These studies focus on diverse inpatient populations including those with coagulopathies, splenic pathology, or tumor-related bleeding, measuring length of stay, complications such as infection or thrombotic events, and need for subsequent procedures. Results inform surgeons and hospital administrators on procedure selection that impacts short-term inpatient resource utilization and DRG-associated reimbursement, and guide payers on value-based coverage decisions.
    • Post-discharge outcomes and readmission cohort studies examining recovery trajectories, transfusion-related adverse events, and long-term functional status after O.R. procedures of blood and blood-forming organs with complicating conditions (CC). These observational studies follow patients after hospital discharge to identify predictors of 30-day readmission, late bleeding or thrombotic complications, and need for outpatient transfusions or rehabilitative services, often stratified by comorbidity burden and perioperative management. Insights help care teams develop discharge planning and transitional care interventions to reduce preventable readmissions and downstream costs that affect bundled payment models and DRG-level performance metrics.

    Related Codes

    799-SPLENIC-PROCEDURES-WITH-MCC

    Splenic Procedures with MCC: Inpatient Reimbursement Overview

    800-SPLENIC-PROCEDURES-WITH-CC

    Splenic Procedures with CC: Inpatient Reimbursement Overview

    801-SPLENIC-PROCEDURES-WITHOUT-CC-MCC

    Splenic Procedures without CC/MCC: Inpatient Reimbursement Overview

    802-OTHER-O-R-PROCEDURES-OF-THE-BLOOD-AND-BLOOD-FORMING-ORGANS-WITH-MCC

    Other O.R. Procedures of the Blood and Blood Forming Organs with MCC: Inpatient Reimbursement Overview

    804-OTHER-O-R-PROCEDURES-OF-THE-BLOOD-AND-BLOOD-FORMING-ORGANS-WITHOUT-CC-MCC

    Other O.R. Procedures of the Blood and Blood Forming Organs without CC/MCC: Inpatient Reimbursement Overview

    808-MAJOR-HEMATOLOGICAL-AND-IMMUNOLOGICAL-DIAGNOSES-EXCEPT-SICKLE-CELL-CRISIS-AND-COAGULATION-DISORDERS-WITH-MCC

    Major Hematological and Immunological Diagnoses: Inpatient Reimbursement Overview

    809-MAJOR-HEMATOLOGICAL-AND-IMMUNOLOGICAL-DIAGNOSES-EXCEPT-SICKLE-CELL-CRISIS-AND-COAGULATION-DISORDERS-WITH-CC

    Major Hematological and Immunological Diagnoses: Inpatient Reimbursement Overview

    810-MAJOR-HEMATOLOGICAL-AND-IMMUNOLOGICAL-DIAGNOSES-EXCEPT-SICKLE-CELL-CRISIS-AND-COAGULATION-DISORDERS-WITHOUT-CC-MCC

    Major Hematological and Immunological Diagnoses: Inpatient Reimbursement Overview

    811-RED-BLOOD-CELL-DISORDERS-WITH-MCC

    Red Blood Cell Disorders with MCC: Inpatient Reimbursement Overview

    812-RED-BLOOD-CELL-DISORDERS-WITHOUT-MCC

    Red Blood Cell Disorders without MCC: Inpatient Reimbursement Overview

    Showing 1–10 of 14

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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