Table 3.

Diagnostic criteria for acute cholangitis

A. Clinical context and clinical manifestations	1. History of biliary disease
	2. Fever and/or chills
	3. Jaundice
	4. Abdominal pain (RUQ or upper abdominal)
B. Laboratory data	5. Evidence of inflammatory responsea
	6. Abnormal liver function testsb
C. Imaging findings	7. Biliary dilatation, or evidence of an etiology (stricture, stone, stent etc)
Suspected diagnosis	Two or more items in A
Definite diagnosis	(1) Charcot’s triad (2 + 3 + 4)
	(2) Two or more items in A + both items in B and item C

^a Abnormal WBC count, increase of serum CRP level, and other changes indicating inflammation

^b Increased serum ALP, r-GTP (GGT), AST, and ALT levels