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    v1.0.30
    OpenPayerBilling CodesMultiple Significant TraumaDRG 957-other-o-r-procedures-for-multiple-significant-trauma-with-mcc
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    Other O.R. Procedures for Multiple Significant Trauma with MCC: Inpatient Reimbursement Overview

    DRG 957 applies to admissions for other operating room procedures in patients with multiple significant trauma and a Major Complication or Comorbidity, encompassing complex multisystem surgical care. It matters for inpatient reimbursement because the presence of multiple trauma and Major Complication or Comorbidity elevates resource use and places cases in a higher paying Diagnosis-Related Group for Medicare inpatient payment.

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    DRG 957 Overview

    DRG 957 covers hospital admissions for patients undergoing other operating room procedures in the setting of multiple significant traumatic injuries with at least one Major Complication or Comorbidity. These cases typically involve complex surgical interventions across specialties and significant resource utilization due to injury severity and associated critical care needs. This Diagnosis-Related Group matters for Medicare payment because it drives higher relative reimbursement to reflect increased costs of multidisciplinary operative management and prolonged inpatient care. Accurate coding of procedures and Major Complication or Comorbidity presence is essential for appropriate Medicare inpatient payment classification.

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    Clinical Trials

    • Acute surgical intervention trials assessing timing, sequencing, and techniques of operative management in polytrauma patients with multiple significant injuries and major complications (MCC). These studies focus on adults with multisystem trauma requiring multiple OR procedures during the same admission, comparing strategies such as damage-control surgery versus definitive fixation timing, or different hemostatic and resuscitation adjuncts used perioperatively. Findings are directly relevant to surgeons and hospital administrators because optimizing surgical pathways can reduce operative time, complications, ICU utilization, and total inpatient cost for DRG 957 cases.
    • Comparative effectiveness studies examining perioperative critical care bundles and complication management for multiply injured patients who develop MCCs (for example, studies comparing protocols for infection prevention, ventilator management, or multi-organ support). These enroll patients with complex trauma who have prolonged stays, organ dysfunction, or sepsis following initial OR procedures, and evaluate which bundle components most strongly impact mortality, length of stay, and readmission. Payers and providers use this evidence to target resource-intensive interventions that improve outcomes and may decrease expensive downstream utilization associated with this high-severity DRG.
    • Post-discharge outcomes and rehabilitation research tracking functional recovery, return-to-work, and long-term healthcare utilization among survivors of multiple significant trauma who underwent multiple OR procedures and had major complications. Cohort and pragmatic studies follow patients after hospital discharge to quantify disability trajectories, durable medical equipment and home health needs, and subsequent readmissions or outpatient service use. This research informs discharge planning, case management, and bundled payment models by identifying predictors of high post-acute costs and opportunities for interventions that reduce total cost of care while improving patient-centered outcomes.

    Related Codes

    955-CRANIOTOMY-FOR-MULTIPLE-SIGNIFICANT-TRAUMA

    Craniotomy for Multiple Significant Trauma: Inpatient Reimbursement Overview

    956-LIMB-REATTACHMENT-HIP-AND-FEMUR-PROCEDURES-FOR-MULTIPLE-SIGNIFICANT-TRAUMA

    Limb Reattachment, Hip and Femur Procedures for Multiple Significant Trauma: Inpatient Reimbursement Overview

    958-OTHER-O-R-PROCEDURES-FOR-MULTIPLE-SIGNIFICANT-TRAUMA-WITH-CC

    Other O.R. Procedures for Multiple Significant Trauma with CC: Inpatient Reimbursement Overview

    959-OTHER-O-R-PROCEDURES-FOR-MULTIPLE-SIGNIFICANT-TRAUMA-WITHOUT-CC-MCC

    Other O.R. Procedures for Multiple Significant Trauma without CC/MCC: Inpatient Reimbursement Overview

    963-OTHER-MULTIPLE-SIGNIFICANT-TRAUMA-WITH-MCC

    Other Multiple Significant Trauma with MCC: Inpatient Reimbursement Overview

    964-OTHER-MULTIPLE-SIGNIFICANT-TRAUMA-WITH-CC

    Other Multiple Significant Trauma with CC: Inpatient Reimbursement Overview

    965-OTHER-MULTIPLE-SIGNIFICANT-TRAUMA-WITHOUT-CC-MCC

    Other Multiple Significant Trauma without CC/MCC: Inpatient Reimbursement Overview

    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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