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    OpenPayerBilling CodesDiseases and Disorders of the Digestive SystemDRG 330-major-small-and-large-bowel-procedures-with-cc
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    Major Small and Large Bowel Procedures with CC: Inpatient Reimbursement Overview

    DRG 330 includes major small and large bowel procedures with a Complication or Comorbidity and captures cases requiring higher resource intensity than uncomplicated bowel surgeries. This matters for inpatient reimbursement because assignment to this Diagnosis-Related Group influences payment levels under Medicare prospective payment policies.

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    DRG 330 Overview

    DRG 330 covers inpatient admissions for major small and large bowel procedures when a Complication or Comorbidity is present. Typical cases include resections, anastomoses, or other extensive bowel operations complicated by conditions such as infection, significant bleeding, or other comorbid illnesses that affect perioperative management. This Diagnosis-Related Group matters for Medicare payment because the presence of a Complication or Comorbidity adjusts payment relative to lower-severity groupings, reflecting higher expected resource use. Accurate coding of diagnoses and procedures determines assignment to this Diagnosis-Related Group and therefore impacts reimbursement.

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    National Payment Rates

    Across commercial payers the observed payment range spans from about $23K to $90K, with the widest spread between Anthem (max $90K) and BCBS (median $23K) evident in the table and chart below. National averages cluster around the mid-$30Ks to high-$30Ks for Aetna, Cigna, Anthem, and BCBS, with variation by payer percentile. See the table and chart below for payer-specific percentiles and distribution details.

    The CMS 2023 dataset reflects national Medicare fee-for-service inpatient payments reported in the CMS Provider Utilization and Payment Data program. The table below shows average total payment ($22.3k), average submitted covered charges ($111.0k), average Medicare payment amount ($17.9k), and total discharges (39.9k).

    Average Total PaymentAverage Submitted ChargesAverage Medicare PaymentTotal Discharges
    $22K$110K$18K40K

    Patient Population

    This DRG’s population skews toward a mixed-age cohort but with a significant Medicare representation — many discharges are Medicare-age rather than exclusively working-age. Commercial payers (Anthem, Cigna, Aetna, BCBS) cover a substantial portion of younger, working-age patients, producing a mixed payer mix. Overall, the population includes both Medicare and private/commercial beneficiaries.

    State Payment Rates

    State: Alaska1 / 49

    Alaska Benchmarks

    DRG 330 payments in Alaska span from $7.5K to $100K across payers, yielding a wide rate range driven largely by Cigna’s substantially higher reimbursements. Blue Cross Blue Shield and Anthem cluster at lower levels (mean ~$34K, median ~$37K), creating a pronounced split between payers. This distribution departs from national patterns where means are more compressed. See the table and chart below for payer-specific detail.

    Key Insights for Alaska

    • Highest payer: Cigna (max $100K, mean $60K, median $57K) is the top-paying payer in Alaska; Lowest payer: Blue Cross Blue Shield (BCBS) and Anthem share the lowest observed minimums (min $7.5K, mean $34K, median $37K).
    • Alaska’s payer range spans from $7.5K to $100K, wider than typical national spreads; Cigna’s mean ($60K) and max ($100K) meaningfully exceed national averages, while BCBS/Anthem means (~$34K) sit below national mean benchmarks.

    Clinical Trials

    • Acute perioperative management trials: Studies testing protocols to optimize intraoperative and immediate postoperative care for adults undergoing major small and large bowel resections for conditions such as diverticulitis, obstruction, ischemia, or malignancy. These trials evaluate interventions like enhanced fluid and hemodynamic management, opioid-sparing analgesia bundles, and infection-prevention strategies to reduce perioperative morbidity and time in the intensive care unit. Results inform surgeons and hospitalists about approaches that can decrease complication rates, length of stay, and short-term resource utilization relevant to inpatient reimbursement and DRG assignment.
    • Comparative effectiveness studies of surgical approach and anastomotic strategies: Trials comparing open versus minimally invasive (laparoscopic or robotic-assisted) colectomy and varied anastomotic techniques or stoma-creation strategies in heterogeneous adult populations, including high-risk, elderly, and immunocompromised patients. These studies measure outcomes such as leak rates, reoperation, hospital readmission, functional recovery, and costs within the inpatient episode and early post-discharge period. Findings help providers select approaches that balance clinical outcomes with procedural cost and complexity, directly impacting DRG-related resource use and payer decisions.
    • Post-discharge outcomes and care-transition research: Prospective cohort studies or randomized trials evaluating structured discharge pathways, early outpatient follow-up, home nursing, and rehabilitation programs for patients discharged after major bowel surgery, particularly those with postoperative complications or ostomies. These studies focus on readmission prevention, management of ostomy care, nutrition and wound healing, and patient-reported outcomes over 30–90 days, aiming to identify interventions that lower readmissions and downstream costs. Payers and hospital systems use this evidence to design care bundles that improve recovery metrics tied to payment penalties and overall episode cost under DRG-based reimbursement.

    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

    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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    Mean Rates by Payer — National — DRG 330
    Mean Rates by Payer — Alaska — DRG 330