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Serum/Plasma Substance Concentration (Bromocresol Green) for a Specific Protein (e.g., Albumin)

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

This test measures the amount of a protein called albumin in your blood using the bromocresol green dye-binding method. Albumin helps maintain fluid balance and supports blood clotting.

Quick summary

["Albumin levels can indicate overall protein status and kidney function."]

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

Key facts at a glance

LOINC
86712-7
Short code
OXAGENE
Synonyms
blaOXA Islt/Spm Ql
Category
chemistry
Sample
serum
Container
Serum separator tube (SST) or sterile plasma collection tube; for molecular testing, EDTA tube may also be acceptable
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
≥ 0 years
Method
molgen
CPT
87150
SNOMED
428931000124103
Specimen volume
1-2 mL of serum (minimum 0.5 mL)
Stability
Serum stable for 24 hours at room temperature, 7 days at 2-8°C, and 30 days at -70°C or below for molecular testing
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
24–72 hours
Order
routine

Why Albumin Matters in Your Health

Albumin is a key protein produced by your liver that plays a vital role in keeping fluids where they need to be, helping tissues stay hydrated and supporting blood clotting. Low levels may signal liver disease, malnutrition, or kidney problems.

What Can Affect Your Albumin Test Results?

Several factors can influence albumin levels, including diet (especially protein intake), liver disease, kidney issues, severe infections, or chronic conditions like heart failure. Recent blood loss or dehydration may also temporarily affect results.

Common Reasons for Testing Albumin

Doctors may order this test to check for liver disease (like cirrhosis), kidney function, malnutrition, or to monitor protein loss due to conditions like burns or kidney failure.

What to Expect Before the Test

No special preparation is needed, but avoid heavy meals 2 hours before the draw. Wear a loose shirt for easy access. The test involves a simple blood draw from your arm.

Reference range

Negative (blaOXA gene not detected). A positive result indicates the presence of carbapenem resistance blaOXA gene, suggesting phenotypic carbapenem resistance.N/A

Specimen: serum

No special patient preparation required. Standard aseptic blood collection technique should be followed.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Albumin Levels and Health Risks

Short name

BCG Albumin (Serum/Plasma)

Frequently asked questions

What does a low albumin level mean?
Low albumin may suggest liver disease, poor nutrition, or kidney problems. High levels are less common but could indicate dehydration or certain genetic conditions. Your doctor will interpret results in the context of your overall health.
How often should I get this test?
Your doctor will determine how often you need this test based on your medical history, symptoms, and treatment plan. Regular monitoring may be needed if you have chronic liver or kidney disease.
Can diet affect my albumin test results?
Yes, diet plays a role. High-protein diets can raise albumin levels, while low-protein diets may lower them. Avoid extreme dietary changes before testing to get accurate results.
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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