Skip to content

Serum or Plasma Substance Concentration (Bromocresol Green Dye Binding) for a Specific Protein or Biomarker

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

This test measures the concentration of a specific protein or substance in your blood using a dye-binding method with bromocresol green. It may be used to assess protein levels, kidney function, or other metabolic processes.

Quick summary

["This test helps evaluate protein balance or kidney function by detecting how a dye binds to certain substances in your blood."]

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

Key facts at a glance

LOINC
7738-8
Short code
Timothy BasoBnd Ab Qn
Synonyms
Timothy 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 (BCG) dye binds to specific proteins or substances in your blood, allowing the lab to estimate their concentration. This method is often used for qualitative or semi-quantitative screening of protein levels, such as albumin or other biomarkers, though exact reference ranges depend on the analyte.

How the Test Works

Your blood sample is processed to separate serum or plasma. The BCG dye reacts with target proteins or substances, changing color based on binding intensity. The lab then interprets this color change to estimate concentration levels.

Common Uses

This test may be used for screening or monitoring conditions affecting protein levels, such as kidney disease, liver function, or certain metabolic disorders. It can also help assess albumin levels, which are important for maintaining blood pressure and fluid balance.

Potential Considerations

Results may vary depending on the specific protein or substance being measured. Some tests may require confirmation with additional methods. Always discuss your results with your healthcare provider to understand their relevance to your health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

BCG Protein/Dye Binding Test

Frequently asked questions

Why might my doctor order this test?
Your doctor may recommend this test to check for conditions like proteinuria (excess protein in urine), liver disease, or kidney dysfunction. It can also help monitor treatment responses or screen for metabolic imbalances.
What does a low or high result mean?
Low results may indicate protein loss (e.g., kidney disease), malnutrition, or liver issues. High results could suggest conditions like multiple myeloma, certain infections, or overproduction of specific proteins. Results alone don’t diagnose a condition—your doctor will consider the full clinical picture.
Can I eat or drink before this test?
Typically, no special preparation is needed, but follow your doctor’s instructions. For some tests, fasting or avoiding certain foods/drinks may be advised. Always check with your lab or provider 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