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Serum or plasma mass concentration of bromocresol green binding capacity

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

This test measures how well your blood proteins can bind the dye bromocresol green, which helps assess liver function and protein synthesis.

Quick summary

["A lower result may indicate liver issues or protein deficiencies."]

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

Key facts at a glance

LOINC
35954-7
Short code
MR Brst-L
Synonyms
MR Brst-L
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
mr
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 Is Done

Your doctor may order this test to evaluate liver health, detect liver disease, or check for conditions like malnutrition or protein loss (such as in kidney disease). It can also help monitor treatment for liver disorders.

What to Expect Before the Test

No special preparation is needed, but you may be asked to fast for 8–12 hours before the draw if your lab uses a different method. Bring any medications or supplements you’re taking.

What the Results Mean

Results are compared to a general reference range, but exact values depend on the lab’s method. Low levels may suggest liver damage, poor protein production, or other metabolic issues.

Common Conditions Linked to Results

Low binding capacity is often seen in chronic liver disease, cirrhosis, or severe malnutrition. High levels may rarely indicate overproduction of certain proteins.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

BCG Binding Capacity

Frequently asked questions

What does a low BCG binding capacity usually mean?
It may indicate liver problems (like cirrhosis or hepatitis), malnutrition, or conditions affecting protein production in the body.
How long does it take to get results?
Results typically arrive within 1–3 business days, depending on your lab’s processing time.
Can I eat or drink before this test?
Standard fasting rules apply (usually 8–12 hours), but check with your lab or doctor for specifics.
  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