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Serum Protein Electrophoresis (Qualitative)

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

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 patterns that may indicate conditions like kidney disease, liver problems, or certain types of cancer.

Quick summary

["This test helps doctors diagnose and monitor conditions affecting protein balance in your blood."]

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

Key facts at a glance

LOINC
51440-6
Short code
M Protein 3 Ur Elph-mCnc
Synonyms
M Protein 3 Ur Elph-mCnc
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
electrophoresis
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 Does This Test Measure?

Electrophoresis separates blood proteins into distinct bands, each representing a group of proteins with similar electrical charges. Common protein groups include albumin, alpha-globulins, beta-globulins, and gamma-globulins (antibodies). Abnormal patterns may suggest conditions like multiple myeloma, liver disease, or chronic inflammation.

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 kidney disease, liver disease, or certain cancers. It’s also used to monitor treatment progress for blood-related disorders.

Sample Collection and Preparation

A blood sample is drawn from a vein, usually in your arm. The blood is then processed to separate serum (the liquid part after clotting) before being analyzed in the lab. No special preparation is needed, but fasting may be advised depending on your doctor’s instructions.

How the Results Are Interpreted

Results are presented as a graphical pattern showing protein distribution. Abnormal bands or shifts (e.g., increased gamma-globulins) may indicate immune system issues, infections, or metabolic disorders. Your doctor will review the results in the context of your symptoms and medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Protein Electrophoresis

Frequently asked questions

How long will it take to get my results?
Results are typically available within 1–3 business days, depending on lab processing times. Follow up with your doctor to discuss the findings and next steps.
What does it mean if my protein electrophoresis shows unusual patterns?
Unusual patterns can signal conditions like multiple myeloma (bone marrow cancer), liver disease, or chronic infections. Your doctor will interpret the results alongside your symptoms and medical history to guide further testing or treatment.
Can I eat or drink before this test?
No special diet is required, but always check with your doctor or lab for specific instructions. Fasting may be advised for some related tests, so confirm with your healthcare provider.
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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