Serum/Plasma Substance Concentration by Immunoassay (Bromocresol Green)
This test measures the concentration of a specific substance in your blood using a bromocresol green-based immunoassay method. It helps assess levels of certain proteins, enzymes, or other biomarkers.
["This test may be used to diagnose or monitor conditions related to abnormal protein or enzyme levels in your blood."]
Key facts at a glance
- LOINC
- 7697-6
- Short code
- Sesame Seed BasoBnd Ab Qn
- Synonyms
- Sesame Seed 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 test detects the presence and amount of a particular substance in your serum or plasma. Bromocresol green is used as a color indicator during the immunoassay process to quantify the analyte. This method is highly sensitive and specific for detecting low to moderate concentrations of the target substance.
Why It’s Ordered
Your healthcare provider may order this test to evaluate conditions such as metabolic disorders, genetic disorders, or to monitor treatment responses. It could also be part of a broader diagnostic workup for unexplained symptoms like fatigue, organ dysfunction, or inherited conditions.
Sample Collection and Preparation
A blood sample is drawn from a vein, typically in your arm. The blood is then processed to separate serum or plasma, which is sent to the lab for testing. You may be asked to fast or avoid certain medications before the test, depending on the specific instructions from your doctor.
Common Uses and Conditions
This test is often used in research or specialized clinical settings to identify rare or specific biomarkers. It may also be part of screening or confirmatory testing for conditions like lysosomal storage disorders, certain enzyme deficiencies, or monitoring protein synthesis processes.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Elevated or decreased levels of the measured substance can indicate underlying health issues. For example, abnormal results might suggest genetic mutations, metabolic imbalances, or other systemic conditions. Always discuss any abnormal results with your healthcare provider to understand potential causes and next steps.
Short name
BCG Immunoassay (Substance Concentration)
Frequently asked questions
What does this test measure exactly?
How long will I need to prepare for this test?
Can I take my usual medications before this test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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