investigations
Last reviewed 01/2018
The diagnosis of biliary colic is largely clinical because of the high prevalence of gallstones.
There may be transient increases in serum bilirubin and alkaline phosphatase.
Biliary scintigraphy may be used to demonstrate cystic duct obstruction during an attack.
Ultrasound may reveal stones in the cystic duct or the gallbladder.