Table 1.

Definitions of technical success by ERCP indication

Indication for ERCP	Definition(s) of Technical Success
Suspected or confirmed bile duct stone(s)	Extraction of stone(s) OR CBD clearance based on absence of filling defects on occlusion cholangiogram [If difficult biliary stones are encountered during procedure, use ‘Difficult biliary stone(s)’ indication below, and above definition does not apply]
Difficult biliary stone(s) [23–25] – any of:  • One or more stone(s) ≥ 15 mm  • Barrel or other unusual shape  • Multiple (4 or more stones)  • Impacted stone(s)  • Intrahepatic or cystic duct stone(s)  • Stricture below stone(s)	Extraction of stone(s) OR CBD clearance based on absence of filling defects on occlusion cholangiogram OR Stenting of CBD as part of future plan to clear duct
Biliary stricture (benign or malignant)	Successful placement of stent with proximal margin proximal to stricture OR Successful dilatation of stricture
Cholangioscopy or pancreatoscopy	Successful cholangioscopic or pancreatoscopic visualization of area of interest
Chronic pancreatitis, pancreatic stone(s) and/or pancreatic stricture(s)	Successful cannulation of main pancreatic duct (PD) AND AT LEAST 1 OF: Pancreatic sphincterotomy Stenting or dilatation of PD Extraction of PD stone(s)
Pancreas divisum	Successful minor papilla cannulation AND Successful pancreatic sphincterotomy
Stent removal or exchange	Successful removal and/or exchange of stent(s)
Treatment of peri-ampullary bleeding	Successful endoscopic hemostasis
Sphincter of Oddi dysfunction	Successful biliary sphincterotomy