MS-DRG 438: DISORDERS OF PANCREAS EXCEPT MALIGNANCY WITH MCC
MS-DRG 438 is disorders of pancreas except malignancy with mcc, in MDC 07 (a medical DRG), at the with-MCC (major complication or comorbidity) level. Its FY2027 relative weight is 1.5765, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 4.50 days. 66 ICD-10-CM principal diagnoses group into MS-DRGs 438–440 under the CMS definitions manual; the most-searched are listed below.
FY2027 payment factors
- Relative weight
- 1.5765
- Geometric mean LOS
- 4.50
- Arithmetic mean LOS
- 6.10
- Post-acute transfer
- No
Principal diagnoses that group to MS-DRGs 438–440
From the CMS MS-DRG definitions manual’s principal-diagnosis index: 66 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 438–440 the case lands in. The 24 most-searched:
- K85.90Acute pancreatitis without necrosis or infection, unspecified
- K86.2Cyst of pancreas
- K86.89Other specified diseases of pancreas
- K86.1Other chronic pancreatitis
- K86.81Exocrine pancreatic insufficiency
- K86.9Disease of pancreas, unspecified
- K85.10Biliary acute pancreatitis without necrosis or infection
- D13.6Benign neoplasm of pancreas
- K85.20Alcohol induced acute pancreatitis without necrosis or infection
- K85.00Idiopathic acute pancreatitis without necrosis or infection
- K85.21Alcohol induced acute pancreatitis with uninfected necrosis
- K85.80Other acute pancreatitis without necrosis or infection
- K86.0Alcohol-induced chronic pancreatitis
- K86.3Pseudocyst of pancreas
- B25.2Cytomegaloviral pancreatitis
- B26.3Mumps pancreatitis
- K85.01Idiopathic acute pancreatitis with uninfected necrosis
- K85.02Idiopathic acute pancreatitis with infected necrosis
- K85.11Biliary acute pancreatitis with uninfected necrosis
- K85.12Biliary acute pancreatitis with infected necrosis
- K85.22Alcohol induced acute pancreatitis with infected necrosis
- K85.30Drug induced acute pancreatitis without necrosis or infection
- K85.31Drug induced acute pancreatitis with uninfected necrosis
- K85.32Drug induced acute pancreatitis with infected necrosis
42 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 438.
| 438 | DISORDERS OF PANCREAS EXCEPT MALIGNANCY WITH MCC | 1.5765 | |
| 439 | DISORDERS OF PANCREAS EXCEPT MALIGNANCY WITH CC | 0.8402 | -0.7363 |
| 440 | DISORDERS OF PANCREAS EXCEPT MALIGNANCY WITHOUT CC/MCC | 0.5965 | -0.9800 |
All FY2027 MS-DRGs · MDC 07