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Bromocresol Green Protein Mass Concentration (Serum/Plasma)

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

This test measures the total protein content in your blood using the bromocresol green dye-binding method. It helps assess overall protein levels, which can indicate hydration status, kidney function, or nutritional health.

Quick summary

["This test helps evaluate protein balance in your blood, often used alongside other protein-related tests."]

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

Key facts at a glance

LOINC
16354-3
Short code
Deprecated AB-Gp Ur-mCnc
Synonyms
Deprecated AB-Gp Ur-mCnc
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What This Test Measures

The bromocresol green method detects protein by binding to specific amino acids in your serum or plasma. As the dye binds, its color changes, allowing the lab to quantify the total protein mass. This method is sensitive and widely used for general protein assessment.

Why It Matters in Medicine

Protein levels in blood can reflect several health conditions. Low protein may signal malnutrition, kidney disease, or fluid loss, while abnormal results could prompt further evaluation of liver function or other metabolic issues.

Common Uses and Context

This test is often ordered as part of a routine blood panel or when investigating symptoms like swelling, fatigue, or unexplained weight changes. It may also be used in monitoring chronic conditions like kidney disease or liver disorders.

Sample Collection and Preparation

A blood sample is drawn from a vein, typically in the arm. The sample is processed to separate serum (liquid after clotting) or plasma (liquid before clotting), then sent to the lab for testing. Avoiding strenuous activity or dehydration before testing can improve accuracy.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

BCG Protein Mass (Serum/Plasma)

Frequently asked questions

What does a high or low protein result mean?
High protein levels may suggest dehydration, certain infections, or conditions like multiple myeloma. Low protein levels could indicate malnutrition, liver disease, kidney problems, or excessive fluid loss (e.g., diarrhea). Always discuss results with your healthcare provider, as they’ll consider your full medical picture.
How often should I get this test?
Your doctor will determine frequency based on your health needs. Routine blood panels may include this test occasionally, while chronic conditions like kidney disease might require more frequent monitoring.
Can diet or medications affect this test?
Yes—high-protein diets or certain medications (e.g., diuretics) can influence results. Avoiding excessive protein intake or specific medications for 24 hours before testing may improve accuracy. Always follow your provider’s instructions.
  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