Serum Protein Electrophoresis (Qualitative)
This test measures the different types of proteins in your blood using electrophoresis, a method that separates proteins based on size and electrical charge.
["It helps identify abnormal protein patterns that may signal conditions like multiple myeloma, liver disease, or other disorders."]
Key facts at a glance
- LOINC
- 50797-0
- Short code
- M Protein 4 SerPl Elph-mCnc
- Synonyms
- M Protein 4 SerPl Elph-mCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- electrophoresis
- 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 Does This Test Measure?
Electrophoresis separates blood proteins into distinct bands, each representing a group of proteins with similar electrical charges. This includes albumin, globulins (such as immunoglobulins), and other fractions like alpha, beta, and gamma globulins. The test helps detect shifts in these fractions that may indicate underlying health issues.
Why Might You Need This Test?
Your healthcare provider may order this test if you have symptoms like unexplained weight loss, fatigue, swollen glands, or signs of organ dysfunction. It’s also used to monitor conditions like multiple myeloma, chronic liver disease, or kidney problems where protein levels or patterns may be abnormal.
Sample Collection and Preparation
A blood sample is drawn from a vein, typically in your arm. The blood is processed to separate serum (the liquid part after clotting) for testing. No special preparation is needed, but fasting may be advised depending on your provider’s instructions.
What Are Common Findings?
Abnormal results may show increased or decreased levels of specific protein bands. For example, a spike in one band (e.g., monoclonal gammopathy) might suggest multiple myeloma, while a reduced albumin level could indicate liver or kidney disease. Your provider will interpret these findings in the context of your symptoms and medical history.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Serum Protein Electrophoresis
Frequently asked questions
What does a 'protein band' or 'globulin spike' mean on my results?
Do I need to fast before this test?
How long does it take to get results from this test?
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