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  3. Diagnosis Codes in MS-DRG 445 - Disorders Of The Biliary Tract With CC

Diagnosis Codes in MS-DRG 445 - Disorders Of The Biliary Tract With CC

The Medicare Severity Diagnosis-Related Group (MS-DRG) is a patient classification system used to categorize hospital cases based on clinical similarity and expected resource use. MS-DRGs organize all possible principal diagnoses into mutually exclusive groups known as Major Diagnostic Categories (MDCs), which help determine reimbursement under the Medicare Inpatient Prospective Payment System.

This section lists the diagnosis codes included in MS-DRG V42.0: Disorders of the Biliary Tract with CC from October 1, 2024, through September 30, 2025.

MS-DRG: 445

MS-DRG Title: Disorders of the Biliary Tract with CC

MCD: 07

Relative Weight: 1.0844 Relative Weight
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.

Geometric LOS: 1.08 Geometric Length of Stay
The geometric mean length of stay (GMLOS) is used by Medicare to calculate the reimbursement for patients whose medical treatment takes a much longer or shorter time than average.

Arithmetic LOS: 3.00 Arithmetic Length of Stay
The average length of stay (ALOS) reflects the average number of days a patient spends in a hospital for each admission.

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    • K87 - Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere

  • K80.0 - Calculus of gallbladder with acute cholecystitis

    • K80.00 - Calculus of gallbladder with acute cholecystitis without obstruction

    • K80.01 - Calculus of gallbladder with acute cholecystitis with obstruction

  • K80.1 - Calculus of gallbladder with other cholecystitis

    • K80.10 - Calculus of gallbladder with chronic cholecystitis without obstruction

    • K80.11 - Calculus of gallbladder with chronic cholecystitis with obstruction

    • K80.12 - Calculus of gallbladder with acute and chronic cholecystitis without obstruction

    • K80.13 - Calculus of gallbladder with acute and chronic cholecystitis with obstruction

    • K80.18 - Calculus of gallbladder with other cholecystitis without obstruction

    • K80.19 - Calculus of gallbladder with other cholecystitis with obstruction

  • K80.2 - Calculus of gallbladder without cholecystitis

    • K80.20 - Calculus of gallbladder without cholecystitis without obstruction

    • K80.21 - Calculus of gallbladder without cholecystitis with obstruction

  • K80.3 - Calculus of bile duct with cholangitis

    • K80.30 - Calculus of bile duct with cholangitis, unspecified, without obstruction

    • K80.31 - Calculus of bile duct with cholangitis, unspecified, with obstruction

    • K80.32 - Calculus of bile duct with acute cholangitis without obstruction

    • K80.33 - Calculus of bile duct with acute cholangitis with obstruction

    • K80.34 - Calculus of bile duct with chronic cholangitis without obstruction

    • K80.35 - Calculus of bile duct with chronic cholangitis with obstruction

    • K80.36 - Calculus of bile duct with acute and chronic cholangitis without obstruction

    • K80.37 - Calculus of bile duct with acute and chronic cholangitis with obstruction

  • K80.4 - Calculus of bile duct with cholecystitis

    • K80.40 - Calculus of bile duct with cholecystitis, unspecified, without obstruction

    • K80.41 - Calculus of bile duct with cholecystitis, unspecified, with obstruction

    • K80.42 - Calculus of bile duct with acute cholecystitis without obstruction

    • K80.43 - Calculus of bile duct with acute cholecystitis with obstruction

    • K80.44 - Calculus of bile duct with chronic cholecystitis without obstruction

    • K80.45 - Calculus of bile duct with chronic cholecystitis with obstruction

    • K80.46 - Calculus of bile duct with acute and chronic cholecystitis without obstruction

    • K80.47 - Calculus of bile duct with acute and chronic cholecystitis with obstruction

  • K80.5 - Calculus of bile duct without cholangitis or cholecystitis

    • K80.50 - Calculus of bile duct without cholangitis or cholecystitis without obstruction

    • K80.51 - Calculus of bile duct without cholangitis or cholecystitis with obstruction

  • K80.6 - Calculus of gallbladder and bile duct with cholecystitis

    • K80.60 - Calculus of gallbladder and bile duct with cholecystitis, unspecified, without obstruction

    • K80.61 - Calculus of gallbladder and bile duct with cholecystitis, unspecified, with obstruction

    • K80.62 - Calculus of gallbladder and bile duct with acute cholecystitis without obstruction

    • K80.63 - Calculus of gallbladder and bile duct with acute cholecystitis with obstruction

    • K80.64 - Calculus of gallbladder and bile duct with chronic cholecystitis without obstruction

    • K80.65 - Calculus of gallbladder and bile duct with chronic cholecystitis with obstruction

    • K80.66 - Calculus of gallbladder and bile duct with acute and chronic cholecystitis without obstruction

    • K80.67 - Calculus of gallbladder and bile duct with acute and chronic cholecystitis with obstruction

  • K80.7 - Calculus of gallbladder and bile duct without cholecystitis

    • K80.70 - Calculus of gallbladder and bile duct without cholecystitis without obstruction

    • K80.71 - Calculus of gallbladder and bile duct without cholecystitis with obstruction

  • K80.8 - Other cholelithiasis

    • K80.80 - Other cholelithiasis without obstruction

    • K80.81 - Other cholelithiasis with obstruction

  • K81 - Cholecystitis

    • K81.0 - Acute cholecystitis

    • K81.1 - Chronic cholecystitis

    • K81.2 - Acute cholecystitis with chronic cholecystitis

    • K81.9 - Cholecystitis, unspecified

  • K82 - Other diseases of gallbladder

    • K82.0 - Obstruction of gallbladder

    • K82.1 - Hydrops of gallbladder

    • K82.2 - Perforation of gallbladder

    • K82.3 - Fistula of gallbladder

    • K82.4 - Cholesterolosis of gallbladder

    • K82.8 - Other specified diseases of gallbladder

    • K82.9 - Disease of gallbladder, unspecified

  • K82.A - Disorders of gallbladder in diseases classified elsewhere

    • K82.A1 - Gangrene of gallbladder in cholecystitis

    • K82.A2 - Perforation of gallbladder in cholecystitis

  • K83 - Other diseases of biliary tract

    • K83.1 - Obstruction of bile duct

    • K83.2 - Perforation of bile duct

    • K83.3 - Fistula of bile duct

    • K83.4 - Spasm of sphincter of Oddi

    • K83.5 - Biliary cyst

    • K83.8 - Other specified diseases of biliary tract

    • K83.9 - Disease of biliary tract, unspecified

  • K83.0 - Cholangitis

    • K83.01 - Primary sclerosing cholangitis

    • K83.09 - Other cholangitis

  • K91 - Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

    • K91.5 - Postcholecystectomy syndrome

  • Q44 - Congenital malformations of gallbladder, bile ducts and liver

    • Q44.2 - Atresia of bile ducts

    • Q44.3 - Congenital stenosis and stricture of bile ducts

  • R93 - Abnormal findings on diagnostic imaging of other body structures

    • R93.2 - Abnormal findings on diagnostic imaging of liver and biliary tract

  • S36.122 - Contusion of gallbladder

    • S36.122A - Contusion of gallbladder, initial encounter

  • S36.123 - Laceration of gallbladder

    • S36.123A - Laceration of gallbladder, initial encounter

  • S36.128 - Other injury of gallbladder

    • S36.128A - Other injury of gallbladder, initial encounter

  • S36.129 - Unspecified injury of gallbladder

    • S36.129A - Unspecified injury of gallbladder, initial encounter

  • S36.13 - Injury of bile duct

    • S36.13XA - Injury of bile duct, initial encounter