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Plasma or Serum Protein Electrophoresis (Qualitative)

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

This test measures the distribution of different protein types in your blood, often used to check for conditions like multiple myeloma, infections, or liver/kidney disorders.

Quick summary

["Helps identify abnormal protein patterns that may signal underlying health concerns."]

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

Key facts at a glance

LOINC
17443-3
Short code
PPA Ur-mCnc
Synonyms
PPA Ur-mCnc
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What Proteins Does This Test Measure?

Electrophoresis separates blood proteins into fractions based on size and charge. Key components include albumin (smallest, most abundant), globulins (antibodies, immune proteins), and other fractions like alpha, beta, and gamma globulins. Abnormal patterns may indicate conditions like multiple myeloma, infections, or liver disease.

Why Might You Need This Test?

Your doctor may order this test if you have symptoms like unexplained weight loss, fatigue, frequent infections, or swelling. It’s also used to monitor conditions like kidney disease, liver disease, or certain cancers.

Common Conditions Detected

Abnormal results may reveal conditions such as multiple myeloma (bone marrow cancer), monoclonal gammopathy (excess antibodies), infections (e.g., chronic hepatitis), or liver/kidney dysfunction. Low albumin could signal malnutrition or liver issues.

Sample Preparation and Testing

A blood sample is drawn, and plasma or serum is separated. The sample is placed in an electric field, causing proteins to migrate toward the opposite charge. A gel or paper strip captures the separation, creating a visual pattern for analysis.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: This test is critical for diagnosing and managing conditions affecting protein balance in the blood. For example, elevated gamma globulins may indicate immune disorders, while unusual patterns could signal hidden cancers or metabolic issues. Early detection improves treatment planning.

Short name

Protein Electrophoresis (Qual)

Frequently asked questions

What does a ‘qualitative’ result mean?
A qualitative result provides a descriptive pattern (e.g., ‘monoclonal spike’) rather than a numeric value. It helps identify abnormal protein distributions but does not give exact amounts of each protein.
How long does it take to get results?
Results are typically available within 24–48 hours, depending on lab processing times. Follow-up with your doctor is needed if patterns are abnormal.
Can I fast before this test?
No fasting is required for this test. However, inform your doctor about any medications or recent blood transfusions that could affect results.
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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