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    v1.0.28
    OpenPayerBilling CodesDiseases and Disorders of the Digestive SystemDRG 393-other-digestive-system-diagnoses-with-mcc
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    Other Digestive System Diagnoses with MCC: Inpatient Reimbursement Overview

    DRG 393 encompasses other digestive system diagnoses with a Major Complication or Comorbidity, capturing higher-severity inpatient cases that drive greater resource use. Classification into this Diagnosis-Related Group influences Medicare inpatient reimbursement under the Centers for Medicare & Medicaid Services inpatient prospective payment system.

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    DRG 393 Overview

    DRG 393 covers inpatient hospital stays for other diagnoses of the digestive system when a Major Complication or Comorbidity is present, representing more medically complex cases than the non-Major Complication or Comorbidity variants. This Diagnosis-Related Group groups patients with higher resource use due to the severity of illness, comorbid conditions, or complications requiring additional management. It matters for Medicare payment because classification into this Diagnosis-Related Group affects relative payment weight and reimbursement under the inpatient prospective payment system administered by the Centers for Medicare & Medicaid Services. Accurate clinical coding and documentation determine assignment to this Diagnosis-Related Group and the associated payment level.

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    Clinical Trials

    • Acute intervention trials evaluating endoscopic or surgical techniques for complicated digestive conditions (for example studies comparing minimally invasive endoscopic hemostasis versus operative control for severe GI bleeding, or novel stent/closure strategies for perforations). These studies enroll hospitalized patients with acute, often life-threatening digestive system diagnoses with major complications or comorbidities, focusing on short-term efficacy, complication rates, and time to clinical stabilization. Results inform clinicians on best practices for urgent care and help payers understand resource use drivers such as procedure intensity, ICU needs, and readmission risk.
    • Comparative effectiveness and management strategy studies in medically complex inpatients, assessing alternative diagnostic pathways, pharmacologic regimens, or bundled care protocols for conditions like severe pancreatitis, complicated biliary disease, or ischemic/inflammatory bowel presentations. These trials typically include patients with multiple comorbidities and major complications (the MCC population), comparing outcomes such as length of stay, complication incidence, and need for escalation to surgery. Findings are directly relevant to hospital groups and payers because they can identify approaches that reduce high-cost events, standardize care for complex cases, and improve resource allocation.
    • Post-discharge and transitional care outcomes research examining readmission prevention, rehabilitation needs, and long-term functional or nutritional recovery among patients discharged after major digestive-system hospitalizations with complications. Such cohort or interventional studies follow patients after discharge to evaluate interventions like coordinated outpatient follow-up, nutritional support programs, or home-based monitoring to reduce rehospitalization and late complications. This area matters to providers and payers by targeting downstream costs and quality metrics tied to this DRG, informing policies that balance inpatient investment with outpatient support to improve overall outcomes.

    Related Codes

    326-STOMACH-ESOPHAGEAL-AND-DUODENAL-PROCEDURES-WITH-MCC

    Stomach, Esophageal and Duodenal Procedures with MCC: Inpatient Reimbursement Overview

    327-STOMACH-ESOPHAGEAL-AND-DUODENAL-PROCEDURES-WITH-CC

    Stomach, Esophageal and Duodenal Procedures with CC: Inpatient Reimbursement Overview

    328-STOMACH-ESOPHAGEAL-AND-DUODENAL-PROCEDURES-WITHOUT-CC-MCC

    Stomach, Esophageal and Duodenal Procedures without CC/MCC: Inpatient Reimbursement Overview

    329-MAJOR-SMALL-AND-LARGE-BOWEL-PROCEDURES-WITH-MCC

    Major Small and Large Bowel Procedures with MCC: Inpatient Reimbursement Overview

    330-MAJOR-SMALL-AND-LARGE-BOWEL-PROCEDURES-WITH-CC

    Major Small and Large Bowel Procedures with CC: Inpatient Reimbursement Overview

    331-MAJOR-SMALL-AND-LARGE-BOWEL-PROCEDURES-WITHOUT-CC-MCC

    Major Small and Large Bowel Procedures without CC/MCC: Inpatient Reimbursement Overview

    332-RECTAL-RESECTION-WITH-MCC

    Rectal Resection with MCC: Inpatient Reimbursement Overview

    333-RECTAL-RESECTION-WITH-CC

    Rectal Resection with CC: Inpatient Reimbursement Overview

    334-RECTAL-RESECTION-WITHOUT-CC-MCC

    Rectal Resection without CC/MCC: Inpatient Reimbursement Overview

    335-PERITONEAL-ADHESIOLYSIS-WITH-MCC

    Peritoneal Adhesiolysis with MCC: Inpatient Reimbursement Overview

    Showing 1–10 of 57

    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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