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Serum or Plasma Substance Concentration (Bromocresol Green Dye Binding)

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

This test measures how bromocresol green dye binds to proteins in your blood, which can help assess protein levels or liver function.

Quick summary

["This test may be used to evaluate protein synthesis or liver health by tracking dye binding efficiency."]

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

Key facts at a glance

LOINC
29467-8
Short code
LA Sup-Inf A4C
Synonyms
LA Sup-Inf A4C
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
us-d-a-c
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

What This Test Measures

The bromocresol green (BCG) dye binding test evaluates protein concentration in your blood by measuring how much dye binds to proteins. Lower binding may indicate protein deficiencies or liver issues.

How the Test Works

A small blood sample is drawn, and the dye is added. The test measures how much dye remains unbound, reflecting protein levels or liver function capacity.

Common Uses

This test may be used in research or specialized settings to assess protein synthesis, liver function, or albumin levels, though it is not a standard clinical test in most cases.

When You Might Need This Test

This test is rarely performed in routine clinical practice but could be considered in specific research studies or niche medical evaluations involving protein or liver function analysis.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

BCG Dye Binding Assay (Serum/Plasma)

Frequently asked questions

Why might my doctor ask for this test?
This test is not commonly used in standard medical care for diagnosing conditions like kidney disease, liver problems, or protein deficiencies. It may be part of specialized studies or research protocols.
What do the results mean?
Results from this test are not standardized or widely interpreted in clinical settings. If performed, they would be reviewed by a specialist in the specific context of the study.
Is this test painful or uncomfortable?
A blood draw for this test involves a small needle inserted into your arm, similar to other blood tests. You may feel a slight pinch, but it typically causes minimal discomfort.
  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