Diagnosis can be confirmed via radiograph, looking for the characteristic Rigler's triad: pneumobilia, or air in the bile ducts, evidence of a small bowel obstruction, and a gallstone outside the gallbladder.

确诊可以通过摄片寻找典型的Rigler三联征：肝内胆管积气（胆管内存在气体）、小肠梗阻、胆囊外部存在结石（肠腔异位结石）。