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    v1.0.28
    OpenPayerBilling CodesDiseases and Disorders of the Hepatobiliary System and PancreasDRG 434-cirrhosis-and-alcoholic-hepatitis-without-cc-mcc
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    Cirrhosis and Alcoholic Hepatitis without CC/MCC: Inpatient Reimbursement Overview

    DRG 434 covers inpatient admissions for cirrhosis and alcoholic hepatitis without Major Complication or Comorbidity or Complication or Comorbidity and represents lower-severity liver disease hospitalizations. Proper classification is important because it determines the Medicare Severity Diagnosis-Related Group prospective payment amount and influences hospital revenue and coding compliance.

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    DRG 434 Overview

    DRG 434 covers hospitalizations for cirrhosis and alcoholic hepatitis without a Major Complication or Comorbidity or Complication or Comorbidity. It applies to adult patients admitted for management of chronic liver disease, acute alcoholic hepatitis, and related complications when no higher-severity comorbid conditions are present. This Diagnosis-Related Group matters for Medicare payment because it groups cases with similar resource use into a single prospective payment, influencing reimbursement and hospital case-mix reporting. Accurate assignment affects hospital revenue and compliance with Centers for Medicare & Medicaid Services billing rules.

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    Clinical Trials

    • Acute management trials evaluating short-term interventions to reduce in-hospital complications for patients admitted with decompensated cirrhosis or alcoholic hepatitis: these studies test strategies such as optimized fluid/albumin protocols, infection prevention bundles, or timing of endoscopy for variceal bleeding in adult inpatients with clinical features of portal hypertension or acute alcoholic hepatitis. They focus on the immediate hospitalization period to reduce mortality, ICU transfers, and length of stay; results directly inform inpatient clinical pathways and resource use that affect DRG payments and utilization.
    • Comparative effectiveness studies of inpatient care models and guideline adherence for cirrhosis without major complications: pragmatic trials compare multidisciplinary hepatology comanagement, standardized order sets, or early palliative care consultation versus usual care among patients hospitalized for cirrhosis or alcohol-related liver injury without CC/MCC. These trials address readmission rates, complication prevention (ascites control, hepatic encephalopathy management), and cost-effectiveness, providing evidence for providers and payers on which care delivery approaches produce better outcomes within the same DRG classification.
    • Post-discharge and transitional-care trials aimed at reducing readmissions and improving long-term outcomes: randomized or cohort studies evaluate interventions such as structured outpatient follow-up, early clinic visits, mobile health monitoring, or alcohol-use disorder linkage-to-care programs targeting patients recently discharged after hospitalization for cirrhosis or alcoholic hepatitis without major complications. These studies examine adherence, recurrent decompensation, and downstream healthcare utilization, which are critical to payers and hospitals seeking to lower 30-day readmission penalties and to optimize total cost of care associated with this DRG.

    Related Codes

    405-PANCREAS-LIVER-AND-SHUNT-PROCEDURES-WITH-MCC

    Pancreas, Liver and Shunt Procedures with MCC: Inpatient Reimbursement Overview

    406-PANCREAS-LIVER-AND-SHUNT-PROCEDURES-WITH-CC

    Pancreas, Liver and Shunt Procedures with CC: Inpatient Reimbursement Overview

    407-PANCREAS-LIVER-AND-SHUNT-PROCEDURES-WITHOUT-CC-MCC

    Pancreas, Liver and Shunt Procedures without CC/MCC: Inpatient Reimbursement Overview

    408-BILIARY-TRACT-PROCEDURES-EXCEPT-ONLY-CHOLECYSTECTOMY-WITH-OR-WITHOUT-C-D-E-WITH-MCC

    Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. with MCC: Inpatient Reimbursement Overview

    409-BILIARY-TRACT-PROCEDURES-EXCEPT-ONLY-CHOLECYSTECTOMY-WITH-OR-WITHOUT-C-D-E-WITH-CC

    Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. with CC: Inpatient Reimbursement Overview

    410-BILIARY-TRACT-PROCEDURES-EXCEPT-ONLY-CHOLECYSTECTOMY-WITH-OR-WITHOUT-C-D-E-WITHOUT-CC-MCC

    Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E.: Inpatient Reimbursement Overview

    411-CHOLECYSTECTOMY-WITH-C-D-E-WITH-MCC

    Cholecystectomy with C.D.E. with MCC: Inpatient Reimbursement Overview

    412-CHOLECYSTECTOMY-WITH-C-D-E-WITH-CC

    Cholecystectomy with Common Duct Exploration with Complication or Comorbidity: Inpatient Reimbursement Overview

    413-CHOLECYSTECTOMY-WITH-C-D-E-WITHOUT-CC-MCC

    Cholecystectomy with C.D.E. without CC/MCC: Inpatient Reimbursement Overview

    414-CHOLECYSTECTOMY-EXCEPT-BY-LAPAROSCOPE-WITHOUT-C-D-E-WITH-MCC

    Cholecystectomy Except by Laparoscope without C.D.E. with MCC: Inpatient Reimbursement Overview

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    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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