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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 charge.

Quick summary

["Helps identify abnormal protein patterns that may signal conditions like multiple myeloma or other blood disorders."]

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

Key facts at a glance

LOINC
14246-3
Short code
PS IgM Ser-aCnc
Synonyms
PS IgM Ser-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82784
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 Is Protein Electrophoresis Used For?

Protein electrophoresis is primarily used to detect and monitor conditions affecting protein levels in the blood. It can help identify abnormal protein bands that might indicate diseases such as multiple myeloma, lymphoma, or other blood disorders. This test is often part of a broader diagnostic workup for unexplained symptoms like fatigue, weight loss, or unexplained anemia.

How Is This Test Performed?

A small blood sample is drawn from a vein, usually in your arm. The blood is then processed to separate the serum, which is analyzed using electrophoresis. The results show distinct bands representing different protein fractions, including albumin, alpha, beta, and gamma globulins.

Preparation for the Test

No special preparation is needed for this test. However, if you are on certain medications that affect protein levels, your healthcare provider may advise you to stop them temporarily or adjust your timing.

What Are Common Findings?

Normal results show a balanced distribution of protein bands. Abnormal findings may include an increased or decreased amount of specific proteins, such as monoclonal spikes (seen in multiple myeloma) or altered ratios of albumin to globulins.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Protein electrophoresis is crucial for diagnosing and managing conditions like multiple myeloma, where an abnormal protein (monoclonal gammopathy) is produced. It can also help evaluate other conditions affecting protein synthesis or breakdown, such as liver disease, kidney disease, or inflammatory disorders. Early detection can guide treatment decisions and improve patient outcomes.

Short name

Protein Electrophoresis

Frequently asked questions

Why might my doctor order this test?
Your doctor may recommend this test if you have symptoms like unexplained weight loss, frequent infections, fatigue, or if they suspect a blood disorder. It may also be used as part of routine monitoring for patients with known conditions affecting protein levels.
What does a positive or abnormal result mean?
An abnormal result may indicate an underlying condition affecting protein production or distribution, such as multiple myeloma, lymphoma, or other blood disorders. Your doctor will interpret the results in the context of your symptoms and medical history to determine the next steps.
How long does it take to get results?
Results are typically available within 24 to 48 hours, depending on lab processing times and your healthcare provider’s workflow.
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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