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Serum/Plasma Substance Concentration (Bromocresol Green Dye Binding)

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

This test measures how bromocresol green dye binds to a protein in your blood, which can help assess liver function and certain protein abnormalities.

Quick summary

["This test evaluates protein binding capacity, often linked to liver health and protein disorders."]

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

Key facts at a glance

LOINC
7508-5
Short code
M racemosus BasoBnd Ab Qn
Synonyms
M racemosus BasoBnd Ab Qn
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
lhr
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What This Test Measures

The bromocresol green dye binding assay evaluates the ability of serum or plasma proteins to bind the dye. This binding is influenced by the concentration of high-density lipoproteins (HDLs) and other proteins, such as albumin. The test indirectly reflects liver function and protein synthesis capacity.

Why It’s Done

Doctors may order this test to investigate liver disease, protein disorders (like hypoalbuminemia), or conditions affecting protein metabolism. It can also be used in research or specialized clinical settings to assess protein binding dynamics.

Sample Collection and Preparation

A blood sample is drawn from a vein, typically in the arm. The sample is then processed to separate serum or plasma, which is sent to the lab for analysis. This test does not require fasting unless specified by your healthcare provider.

What to Expect Before the Test

There are no specific preparations needed for this test, but you may experience mild discomfort from the needle insertion. If you have a bleeding disorder or take blood-thinning medications, inform your doctor beforehand.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

BCG Dye Binding Assay (Serum/Plasma)

Frequently asked questions

This test can help identify liver dysfunction, such as cirrhosis or hepatitis, by detecting reduced protein binding capacity. It may also be used to monitor protein-related disorders or assess the effectiveness of treatments affecting protein synthesis.
This test is not typically used for routine screening in most clinical settings. It may be reserved for specialized evaluations or research purposes.
This test does not provide direct information about specific diseases like diabetes or heart conditions. It focuses on protein binding and liver function.
The results may not be affected by diet or exercise unless your doctor has instructed otherwise. Follow their guidance if fasting is required.
Common side effects from blood drawing include bruising, slight pain, or swelling at the injection site. Most effects resolve quickly.
If you have questions about this test, discuss them with your healthcare provider before the procedure.
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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