Indications for ERCP
| Indication | No. of examinations | No. of elevated trypsinogen 2 values before ERCP | No. of elevated trypsin 2-AAT values before ERCP |
| Suspicion of common bile duct stones | 114 | 27 | 32 |
| Pancreaticobiliary tumour/stent placement | 60 | 26 | 25 |
| Obstructive jaundice | 31 | 9 | 7 |
| Chronic pancreatitis | 29 | 10 | 12 |
| Chronic abdominal pain | 21 | 1 | 2 |
| History of acute pancreatitis | 13 | 7 | 6 |
| Pancreatic pseudocyst | 11 | 5 | 8 |
| Common bile duct obstruction/stricture | 9 | 1 | |
| Pancreatic fistula | 5 | 1 | 3 |
| Dysfunction of sphincter of Oddi | 3 | 1 | 1 |
| Biliary fistula | 2 | 1 | 1 |
| Miscellaneous | 10 | 1 | 1 |
Upper reference limit for trypsinogen 2 is 90 μg/l and for trypsin 2-AAT is 12 μg/l.