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Hepatic Function Profile (Bile Acids)

Published: August 9, 2026Updated: August 16, 2026

This test measures levels of bile acids in your blood, which help with digestion and are produced by your liver. Abnormal results may indicate liver or bile duct issues.

Quick summary

["Bile acids help your body digest fats and can signal liver or gallbladder problems if levels are out of balance."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
109300-4
Short code
FLUAV H5 Ab Msmt Ser
Synonyms
FLUAV H5 Ab Msmt Ser
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like jaundice (yellowing skin/eyes), unexplained fatigue, abdominal pain, or if they suspect liver disease, bile duct blockage, or other gastrointestinal conditions. It’s also sometimes used to monitor liver function in chronic liver diseases or after surgery involving the bile ducts.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to fast for 8–12 hours before the blood draw to get more accurate results. Avoid eating fatty foods in that time. If you’re taking medications, let your provider know—some may affect bile acid levels.

What the Test Involves

A healthcare professional will draw blood from a vein in your arm. It’s quick and typically painless, though you might feel a slight pinch. The sample is sent to a lab for analysis.

What the Results Mean

High bile acid levels may suggest liver disease, bile duct obstruction, or cirrhosis. Low levels could indicate liver dysfunction or other metabolic issues. Your provider will interpret results in the context of your overall health and symptoms.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Bile Acids

Frequently asked questions

How long does it take to get results?
Results are typically available within 1–3 business days, depending on your lab’s processing time. Your provider will contact you once they’re ready to review them with you.
What kind of diet should I follow before this test?
Avoid eating fatty foods for 8–12 hours before your blood draw. Light snacks are fine, but heavy meals may affect bile acid levels. If you’re unsure, ask your provider for specific guidance.
Can I take my usual medications before this test?
Some medications may influence bile acid levels. Always inform your healthcare provider about all medications, supplements, or over-the-counter drugs you’re taking before the test.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy