Plasma or Serum Protein Electrophoresis (Qualitative)
This test measures the different types of proteins in your blood, separated by size and charge. It helps identify abnormalities that may indicate conditions like multiple myeloma, liver disease, or other protein disorders.
["Protein electrophoresis helps diagnose and monitor blood protein disorders."]
Key facts at a glance
- LOINC
- 70245-6
- Short code
- PAH p.R408W Bld/T Ql
- Synonyms
- PAH p.R408W Bld/T Ql
- Category
- chemistry
- Sample
- whole-blood
- Container
- Lavender-top (EDTA)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- molgen
- Specimen volume
- 3 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
Why Is This Test Done?
Your healthcare provider may order this test if they suspect conditions affecting protein levels, such as kidney disease, liver problems, or certain cancers. It can also be used to monitor treatment progress for conditions like multiple myeloma or autoimmune disorders.
How Is the Sample Collected?
A blood sample is drawn from a vein, usually in your arm. The blood is then processed to separate the plasma or serum for analysis. No special preparation is needed, but fasting may be advised depending on your specific test instructions.
What Does the Test Involve?
The blood sample is placed on a gel and subjected to an electric current. Proteins move toward the opposite charge based on their size and charge, creating distinct bands. These bands are then analyzed to identify abnormal protein patterns.
What Are Common Findings?
Abnormal bands or patterns may indicate conditions such as monoclonal gammopathy (e.g., multiple myeloma), hypoalbuminemia, or increased globulins. These findings can guide further testing or treatment planning.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Protein Electrophoresis
Frequently asked questions
What does a protein electrophoresis test measure?
How long does it take to get results from this test?
Can I eat or drink before 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