Total bile acids blood test
Quick answer: This test measures bile acids, which are made by the liver to help digest fat, in your blood. Doctors order it to check liver function, and in pregnancy when there is itching, especially of the palms and soles, to check for obstetric cholestasis.
- SampleBlood
- TakesAbout 5 minutes
- Before the testYour doctor may ask you to fast; follow the instructions given.
- In fertility careRaised bile acids in pregnancy can point to intrahepatic cholestasis of pregnancy, which needs closer monitoring.
How the test is done
- 1You may be asked to fast before the sample, as instructed
- 2The skin over a vein is cleaned
- 3A needle draws blood into a tube
- 4In pregnancy, the test may be repeated if itching continues
What your results can mean
Reading your report
Normal ranges differ between labs and by age and sex, so discuss your result with your doctor.
If the result is outside the usual range
A high level can be seen with intrahepatic cholestasis of pregnancy, liver disease or blocked bile flow. In pregnancy, higher levels usually mean closer monitoring of you and the baby.
Who usually has this test
Pregnant women with itching, especially on the palms and soles, and people being checked for liver disease.
Risks and aftercare
A small bruise is possible; tell your doctor if the itching gets worse.
Names and options
Also called: serum bile acids, bile acid test
Listed by the hospital as
- BILE ACIDS TOTAL, SERUM
Questions about this test
Why is itching in pregnancy checked with a bile acid test?
Itching, especially of the hands and feet without a rash, can be a sign of obstetric cholestasis. Bile acids help confirm it so you can be monitored.
Do I need to fast for a bile acid test?
Bile acids rise after meals, so some labs prefer a fasting sample. Follow the instructions you are given.
What happens if my bile acids are high in pregnancy?
Your doctor will usually watch you and the baby more closely and may discuss treatment and the timing of birth.
Related tests
Tamara Hospital & IVF Centre, Rajajinagar
34/3, 10th Cross Road, opp. Vardhaka Sardar Patel School, 1st N Block, 2nd Stage, Rajajinagar, Bengaluru 560010
The hospital is open 24 hours. Call before you come to check the timing for your scan or sample collection.
Get directions ↗IVF Pulse fertility care at Tamara Hospital →
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This page explains each test in general terms so you know what to expect. It is not medical advice: your doctor decides which tests you need and what your results mean. Reference ranges differ between laboratories. Updated 4 November 2026.