I'm 28 weeks
pregnant, 31 year old woman. Single child, uncomplicated pregnancy so far. I have noticed itching on my hands and feet lately. Not on the palms and soles but between fingers and toes. The weather here is around 20 degrees so it could be because of that. My mom and brother have elevated idiopathic LFTs for which they are taking treatment. I want to rule out ICP, which blood test should I get done to definitively rule out cholestasis? Thank you