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Serum or Plasma Protein Electrophoresis with Bromocresol Green Staining (Qualitative)

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

This test measures the distribution of different protein types in your blood, often used to check for conditions affecting protein balance, such as kidney disease or certain cancers.

Quick summary

["Helps identify abnormal protein patterns that may signal underlying health issues."]

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

Key facts at a glance

LOINC
46342-2
Short code
FFDM Brst Views
Synonyms
FFDM Brst Views
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
mg-ffd
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

Why This Test Is Done

Your doctor may order this test to diagnose or monitor conditions like multiple myeloma, kidney disease, or other protein-related disorders. It can also help assess how well your body is producing certain proteins after treatment.

What to Expect Before the Test

No special preparation is needed. You may have a small needle inserted into a vein (usually in your arm) to draw blood. If you’re fasting, follow your doctor’s instructions.

What the Test Results Mean

Results show protein bands on an electrophoresis gel, indicating the presence and relative amounts of different protein fractions (e.g., albumin, globulins). Abnormal patterns may require further testing.

Common Conditions Monitored

This test helps detect conditions like multiple myeloma (cancer of plasma cells), kidney disease (e.g., nephrotic syndrome), or liver problems by identifying unusual protein levels or patterns.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Protein Electrophoresis (BCG)

Frequently asked questions

What does a protein electrophoresis test measure exactly?
It measures the separation and relative amounts of different protein fractions in your blood, visualized as bands on a gel. This helps assess protein distribution, which can reveal abnormalities in conditions like cancer or kidney disease.
How long does it take to get results from this test?
Results are typically available within 1–3 business days, depending on your lab’s processing time. Follow-up with your doctor to discuss findings.
Can I eat or drink before this test?
No special diet is required, but if fasting instructions were given, follow them. Drink water unless advised otherwise to avoid dehydration during the blood draw.
  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