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Serum/plasma concentration of a substance related to bile acid metabolism (e.g., bile salt-binding protein or similar transport-related analyte)

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

This test measures a protein or substance in your blood that helps regulate bile acid levels, which can affect digestion and liver function.

Quick summary

["Helps assess bile acid metabolism and potential liver or digestive system issues."]

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

Key facts at a glance

LOINC
79580-7
Short code
R- + S-BAIB + D- + L-ser patt Ur-Imp
Synonyms
R- + S-BAIB + D- + L-ser patt Ur-Imp
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What This Test Measures

This test detects levels of a specific substance in your blood that plays a role in processing bile acids. Bile acids are important for breaking down fats in your digestive system. Abnormal levels may indicate problems with bile production, transport, or liver function.

Why It Matters in Digestion

Bile acids are essential for fat digestion, and imbalances in these substances can lead to digestive discomfort or other health concerns. Your doctor may order this test if you have symptoms like unexplained diarrhea, jaundice, or liver-related issues.

Possible Causes of Abnormal Results

Elevated or low levels of this substance could be linked to conditions like liver disease, bile duct obstructions, or metabolic disorders. Your doctor will consider your symptoms, medical history, and other test results to determine the cause.

When This Test Might Be Ordered

This test may be recommended if you have symptoms of digestive or liver problems, such as persistent nausea, fatigue, or changes in stool. It could also be part of a broader evaluation for unexplained gastrointestinal issues.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Role in Diagnosing Digestive and Liver Conditions

Short name

Bile acid binding protein (serum/plasma)

Frequently asked questions

How is this test typically collected and prepared?
This test requires a blood sample drawn from a vein in your arm. You may be asked to fast for a few hours before the test, but your doctor will provide specific instructions. No special preparation is needed for urine or other specimen types if applicable.
What do the results mean?
Results are interpreted by your healthcare provider based on your overall health and symptoms. Very high or very low levels may signal potential issues, but they are not standalone diagnoses. Follow-up tests or additional evaluations may be needed.
Can I take medications before this test?
Generally, you should avoid certain medications that could interfere with the test results. Always inform your doctor or lab technician about all medications, supplements, or recent treatments you’ve had.
  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