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Protein Electrophoresis on Serum (Qualitative)

Published: August 9, 2026Updated: August 17, 2026

This test measures the different types of proteins in your blood serum using electrophoresis, a technique that separates proteins based on size and charge.

Quick summary

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

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
12851-2
Short code
Prot Pattern SerPl Elph-Imp
Synonyms
Prot Pattern SerPl Elph-Imp
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
0
Ref high
17
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
electrophoresis
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 may indicate diseases such as multiple myeloma, where abnormal proteins (like monoclonal gammopathy) are produced, or conditions like liver disease or kidney problems that alter normal protein distribution.

How Is This Test Performed?

A blood sample is drawn from a vein, typically in your arm. The serum portion is separated and placed in a gel. An electric current is applied, causing proteins to move through the gel at different speeds based on their size and charge. Afterward, the gel is stained to visualize the protein bands.

What Might Abnormal Results Indicate?

Abnormal results may show unusual bands or shifts in protein distribution. For example, a prominent band in the gamma region could suggest multiple myeloma or other monoclonal gammopathies. Other patterns might indicate liver disease, inflammation, or kidney dysfunction.

When Might You Need This Test?

Your healthcare provider may order this test if you have symptoms like unexplained weight loss, bone pain, frequent infections, or if they suspect conditions like multiple myeloma, liver disease, or chronic inflammation. It’s also used in follow-up testing for patients with known protein-related disorders.

Reference range

NCBI: NSE 0-17 ng/mLN/A

Specimen: serum

No special preparation usually required. Stay well hydrated. Inform your healthcare provider of all medications and supplements you are taking.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Serum Protein Electrophoresis

Frequently asked questions

Why do I need this test if I don’t have symptoms?
Your doctor may recommend this test as part of a routine evaluation, screening for suspected conditions, or monitoring a known health issue. It can also be used in research or specialized diagnostic workups.
What preparation is needed before this test?
No special preparation is usually required, but you may be asked to avoid certain medications or foods that could interfere with results. Your doctor will provide specific instructions if needed.
How long does it take to get results?
Results are typically available within 1 to 3 business days, depending on lab processing times. Your doctor will discuss the findings with you during your follow-up visit.
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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 17, 2026. · Read our editorial policy