Serum or Plasma Protein Electrophoresis (Qualitative) with Bromocresol Green Staining
This test measures the distribution of different protein types in your blood, often used to identify unusual patterns that may suggest conditions like multiple myeloma, liver disease, or other protein disorders.
["Helps diagnose and monitor protein-related health conditions by analyzing blood protein composition."]
Key facts at a glance
- LOINC
- 98003-7
- Short code
- HLA Class I Ab.IgG Don Spec SerPl
- Synonyms
- HLA Class I Ab.IgG Don Spec SerPl
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 82784
- 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
Electrophoresis separates blood proteins based on their size and electrical charge. Bromocresol Green dye binds to specific proteins, allowing for visual differentiation of albumin, alpha-globulins, beta-globulins, and gamma-globulins. This qualitative method helps detect abnormal protein bands or shifts that may indicate underlying health issues.
Why It’s Done
Your healthcare provider may order this test to investigate symptoms like unexplained weight loss, fatigue, swelling, or abnormal lab results. It’s also used to monitor conditions such as multiple myeloma, liver disease, or certain autoimmune disorders where protein patterns can change over time.
Sample Collection and Preparation
A blood sample is drawn from a vein, typically in your arm. The sample is then processed to separate serum or plasma, which is sent to the lab for electrophoresis. The results are visually interpreted to assess protein distribution.
Common Conditions Evaluated
This test helps identify conditions where protein patterns deviate from normal, such as: - Multiple myeloma (cancer of plasma cells) - Liver or kidney disease (affecting protein synthesis or clearance) - Certain autoimmune diseases (e.g., rheumatoid arthritis) - Inflammatory conditions (e.g., infections or chronic illnesses).
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Protein Electrophoresis (BCG)
Frequently asked questions
How long does it take to get results from this test?
Can I eat or drink anything before this test?
What if my results show abnormal protein patterns?
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