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445

MS-DRG 445: DISORDERS OF THE BILIARY TRACT WITH CC

DRGMedicalMDC 07

MS-DRG 445 is disorders of the biliary tract with cc, in MDC 07 (a medical DRG), at the with-CC (complication or comorbidity) level. Its FY2027 relative weight is 1.0872, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 2.90 days. 72 ICD-10-CM principal diagnoses group into MS-DRGs 444–446 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
1.0872
Geometric mean LOS
2.90
Arithmetic mean LOS
3.60
Post-acute transfer
No

Principal diagnoses that group to MS-DRGs 444–446

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 72 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 444–446 the case lands in. The 24 most-searched:

  • K80.20Calculus of gallbladder without cholecystitis without obstruction
  • K81.0Acute cholecystitis
  • K80.00Calculus of gallbladder with acute cholecystitis without obstruction
  • K82.8Other specified diseases of gallbladder
  • K80.50Calculus of bile duct without cholangitis or cholecystitis without obstruction
  • K83.1Obstruction of bile duct
  • R93.2Abnormal findings on diagnostic imaging of liver and biliary tract
  • K80.10Calculus of gallbladder with chronic cholecystitis without obstruction
  • K81.1Chronic cholecystitis
  • K83.8Other specified diseases of biliary tract
  • K81.9Cholecystitis, unspecified
  • K82.4Cholesterolosis of gallbladder
  • K80.12Calculus of gallbladder with acute and chronic cholecystitis without obstruction
  • K80.80Other cholelithiasis without obstruction
  • K82.9Disease of gallbladder, unspecified
  • K83.09Other cholangitis
  • K83.9Disease of biliary tract, unspecified
  • K80.21Calculus of gallbladder without cholecystitis with obstruction
  • K80.51Calculus of bile duct without cholangitis or cholecystitis with obstruction
  • K80.70Calculus of gallbladder and bile duct without cholecystitis without obstruction
  • K81.2Acute cholecystitis with chronic cholecystitis
  • K91.5Postcholecystectomy syndrome
  • K80.01Calculus of gallbladder with acute cholecystitis with obstruction
  • K80.11Calculus of gallbladder with chronic cholecystitis with obstruction

48 more codes group here. Open any code above for its full hierarchy, or check a whole claim in the free DRG calculator.

The severity splits

Same base DRG, split by whether a secondary diagnosis is a CC or MCC. The last column is the weight change from MS-DRG 445.

444DISORDERS OF THE BILIARY TRACT WITH MCC1.6665+0.5793
445DISORDERS OF THE BILIARY TRACT WITH CC1.0872
446DISORDERS OF THE BILIARY TRACT WITHOUT CC/MCC0.8124-0.2748

All FY2027 MS-DRGs · MDC 07

MS-DRG (IPPS Table 5)FY2027