Can eating before a bile acid blood test affect the results. When testing for pregnacy cholesatsis?

Cholestasis. It is not necessary to be fasting before serum bile acid testing for cholestasis of pregnancy. Not all patients with cholestasis will have abnormal blood work. Some physicians will try a medication called Ursodiol in patients with suspected cholestasis. If the itching resolves on this medication then this can confirm the diagnosis.