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    OpenPayerBilling CodesDiseases and Disorders of the Digestive SystemDRG 327-stomach-esophageal-and-duodenal-procedures-with-cc
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    Stomach, Esophageal and Duodenal Procedures with CC: Inpatient Reimbursement Overview

    DRG 327 encompasses stomach, esophageal, and duodenal surgical procedures when a Complication or Comorbidity is present, defining the clinical scope for grouping and payment. This matters for inpatient reimbursement because the presence of a Complication or Comorbidity increases resource intensity and therefore affects Medicare payment assignment within the Diagnosis-Related Group system.

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    DRG 327 Overview

    DRG 327 covers inpatient cases involving stomach, esophageal, and duodenal procedures when a Complication or Comorbidity is present, typically including surgical interventions such as partial gastrectomy, repair of perforation, or complex endoscopic procedures with additional diagnoses. This Diagnosis-Related Group groups clinically similar cases to determine Medicare payment weights and influences hospital reimbursement by accounting for increased resource use associated with the Complication or Comorbidity. Accurate coding of procedures and secondary diagnoses is central to classifying cases into this Diagnosis-Related Group and ensuring appropriate payment. The grouping affects payment relative to related Diagnosis-Related Groups without Complication or Comorbidity and those with Major Complication or Comorbidity.

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    Clinical Trials

    • Acute perioperative optimization and complication reduction trials: These studies evaluate interventions delivered during the hospital stay to reduce surgical morbidity for patients undergoing stomach, esophageal, or duodenal procedures with complicating comorbidities (for example enhanced recovery after surgery bundles, perioperative antibiotic/antithrombotic strategies, or multimodal pain pathways). The patient population is typically adults admitted for elective or urgent resection/reconstructive procedures who have at least one complicating condition (e.g., heart failure, COPD, or malnutrition) that increases risk; endpoints include in-hospital complications, length of stay, and readmission risk. This research is relevant to providers and payers because reducing perioperative complications and LOS directly affects inpatient resource utilization, reimbursement under DRG payment, and downstream costs associated with complications and readmissions.
    • Comparative effectiveness studies of surgical technique and approach: Trials or prospective registries comparing open versus minimally invasive (laparoscopic or thoracoscopic) approaches, extent of resection, or specific anastomotic techniques in patients with benign or malignant pathology of the stomach, esophagus, or duodenum who have complicating conditions (CC). These studies focus on intraoperative outcomes, short-term morbidity, functional recovery, and need for escalation of care in higher-risk patients, helping define which techniques yield better clinical and economic outcomes for comorbid populations. For clinicians and payers, evidence about which operative approaches lower complication rates, ICU utilization, and post-op resource needs informs clinical pathways and cost-effective surgical care within this DRG.
    • Post-discharge outcomes and transitional care interventions: Research assessing post-discharge management strategies (structured follow-up, nutrition support programs, home health coordination, or telemonitoring) for patients discharged after stomach/esophageal/duodenal procedures who had complicating conditions during admission. These trials target reductions in 30-day readmissions, late surgical site or anastomotic complications, nutritional failure, and post-discharge healthcare utilization among medically complex patients. For providers and payers, effective transitional care interventions can decrease costly readmissions and post-acute care use associated with this DRG, improving patient outcomes while impacting total episode-of-care spending.

    Related Codes

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

    Stomach, Esophageal and Duodenal Procedures with MCC: 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

    336-PERITONEAL-ADHESIOLYSIS-WITH-CC

    Peritoneal Adhesiolysis with CC: 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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