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Originally Posted by Tammyh  They tested her 12-hr fasted and 2-hrs after eating which according to what I've read is proper protocol.  |
It's outdated protocol. Dr. Center revised it a few years ago. This is from page 7 of Dr. Center's 2007 seminar handout:
7. Random "Fasting" Bile Acids ARE NOT reliable for RULING OUT liver dysfunction or abnormal portal circulation. Rather, you need PAIRED SAMPLES AROUND A MEAL. We no longer collect 12-hr fasting bile acids but instead collect a bile acid sample before a meal (pre-meal) and 2 hours after a meal (post-meal or postprandial)." (all emphasis was added by Dr. Center, not me)