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Bromocresol Green Protein Electrophoresis (Serum)

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

This test measures protein distribution in your serum using electrophoresis with the bromocresol green dye, helping assess conditions affecting protein patterns.

Quick summary

["This test helps identify protein abnormalities that may signal kidney disease, liver issues, or other disorders."]

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

Key facts at a glance

LOINC
939-9
Short code
Deprecated Bombay Ab Ser Ql
Synonyms
Deprecated Bombay Ab Ser Ql
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
aggl-rbc
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 dye binds to proteins of different sizes, allowing separation via electrophoresis. This process reveals patterns of protein concentration across various molecular weights, which can be compared to normal ranges.

Why It’s Done

Doctors may order this test to diagnose or monitor conditions like nephrotic syndrome, multiple myeloma, or other protein-related disorders. It can also help evaluate kidney function or detect abnormal protein synthesis.

Sample Collection

A blood sample is drawn from a vein, typically in your arm. The serum portion is separated and analyzed for protein patterns.

Preparation

No special preparation is usually needed, but fasting may be advised if your doctor specifies it. Inform your healthcare provider about any medications or supplements you’re taking.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

BCG Protein Electrophoresis

Frequently asked questions

How might results affect my health?
Abnormal protein patterns may indicate conditions such as kidney disease, liver disease, or certain cancers. For example, high levels of certain proteins might suggest kidney filtration issues, while unusual bands could point to protein disorders.
What do abnormal results mean?
Abnormal results may require further testing or evaluation by a healthcare provider to determine the underlying cause. They could guide treatment decisions, such as managing protein loss or addressing organ dysfunction.
Can this test be done at home?
No, this test is performed in a clinical laboratory using specialized equipment and trained personnel. Results are typically reported by your healthcare provider.
  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