Some uses for this procedure includes: drainage of bile/infected bile to relieve obstructive jaundice, to place a stent to dilate a stricture in the biliary system, stone removal, and rendezvous technique where guidewire from the common bile duct (CBD) meets with duodenoscope (coming from the oesophagus into the stomach and then duodenum) at the major duodenal papilla. In this rendezvous technique, the guidewire is then pulled into duodenoscope and a small blade is slide over the guidewire into the CBD and perform surgeries on a specific bile duct in the biliary system.<unk>  is frequently performed guide therapy of the biliary system. Rarely it is used for diagnostic purposes only.
Percutaneous transhepatic cholangiography
Intravenous cholangiography
Splenic aspiration
Magnetic resonance cholangiopancreatography
Liver biopsy
Biliary endoscopic sphincterotomy
Endoscopic retrograde cholangiopancreatography
Cholecystography