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Protein Electrophoresis on Serum/Plasma (Qualitative Probe)

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

This test measures the different types of proteins in your blood using a technique called electrophoresis. It helps identify abnormalities in protein distribution, which can signal conditions like multiple myeloma, liver disease, or kidney problems.

Quick summary

["This test helps doctors check for unusual protein patterns that may indicate health concerns."]

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

Key facts at a glance

LOINC
70023-7
Short code
C tropicls DNA Bld Ql NAA+probe
Synonyms
C tropicls DNA Bld Ql NAA+probe
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
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

What Does This Test Measure?

Electrophoresis separates proteins in your blood based on their size and electrical charge. The test detects distinct protein bands (fractions) such as albumin, alpha-globulins, beta-globulins, and gamma-globulins. Abnormal patterns may suggest conditions like infections, cancers, or metabolic disorders.

Why Might You Need This Test?

Your doctor may order this test to investigate symptoms like unexplained weight loss, fatigue, swelling, or changes in kidney/liver function. It’s also used to monitor conditions like multiple myeloma, amyloidosis, or chronic inflammatory diseases.

How Is the Test Performed?

A small blood sample is drawn from a vein. The serum or plasma is then placed in a gel and subjected to an electric current, causing proteins to move toward opposite charges. The resulting bands are analyzed for quantity and quality.

What Are Common Findings?

Normal results show distinct bands with expected proportions of albumin (most abundant) and other globulins. Abnormal findings may include: - **Monoclonal spikes** (e.g., M-protein) in multiple myeloma. - **Reduced albumin** (e.g., liver/kidney disease). - **Increased globulins** (e.g., infections, autoimmune disorders).

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 synthesis or breakdown. For example, a monoclonal spike can confirm multiple myeloma, while altered albumin levels may signal liver dysfunction or malnutrition. Early detection improves treatment planning.

Short name

Protein Electrophoresis

Frequently asked questions

What does a ‘protein electrophoresis’ test show?
It shows the different types and amounts of proteins in your blood, helping identify if any are unusually high or low, which can point to health issues like cancer, infections, or organ problems.
How long does it take to get results?
Results are typically available within 1–3 business days, depending on lab processing times. Your doctor will discuss them with you during your follow-up visit.
Can I eat or drink before this test?
No special preparation is needed. You can eat and drink normally, but avoid smoking for 30 minutes before your blood draw to ensure accurate 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