Cholangiogram

Cholangiography
Intervention
Percutaneous transhepatic cholangiography
ICD-9-CM	87.5
MeSH	D002758
OPS-301 code	3-13c
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Cholangiography is the imaging of the bile duct (also known as the biliary tree) by x-rays. There are at least two kinds of cholangiography:

In both cases fluorescent fluids are used to create contrasts that make the diagnosis possible. Cholangiography has largely replaced the previously used method of intravenous cholangiography (IVC).

Magnetic resonance cholangiopancreatography (MRCP) and T tube cholangiography are other cholangiography methods.