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 charge. It helps identify abnormalities in protein distribution, which can indicate conditions like multiple myeloma, liver disease, or other disorders.
["Electrophoresis helps doctors spot unusual protein patterns that may signal hidden health issues."]
Key facts at a glance
- LOINC
- 14428-7
- Short code
- Globulin Prt-mCnc
- Synonyms
- Globulin Prt-mCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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 splits blood proteins into five main zones: albumin, alpha-1 globulins, alpha-2 globulins, beta globulins, and gamma globulins. Each zone contains proteins with distinct functions, such as antibodies, enzymes, and transport proteins. Abnormal patterns may reveal conditions affecting protein production or storage.
Why Might You Need This Test?
Your doctor may order this test if you have symptoms like unexplained weight loss, fatigue, swelling, or if they suspect conditions like multiple myeloma, lymphoma, liver disease, or kidney problems. It’s also used to monitor treatment progress for certain blood disorders.
How Is This Test Performed?
A small blood sample is drawn from a vein, usually in your arm. The serum (liquid part of blood without clots) is then placed in a gel and subjected to an electric current. Proteins move toward the opposite charge, creating distinct bands that can be analyzed under light.
What Are Common Findings?
Normal results show balanced protein bands. Abnormal findings might include a spike in gamma globulins (indicating high antibody levels), a reduced albumin band (suggesting liver or kidney issues), or unusual bands that could signal protein disorders.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Protein Electrophoresis (Serum)
Frequently asked questions
How often will I need this test?
What do my results mean if they’re outside of normal ranges?
Can I prepare for 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