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Protein Electrophoresis (Serum/Plasma)

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

This test measures the different types of proteins in your blood, including albumin and globulins, which helps assess protein balance and potential conditions like kidney disease or liver dysfunction.

Quick summary

["This test helps doctors identify protein imbalances that may signal underlying health issues."]

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

Key facts at a glance

LOINC
40098-6
Short code
PT 1D p chal PPP
Synonyms
PT 1D p chal PPP
Category
chemistry
Sample
plasma
Container
Lavender-top (EDTA) or Green-top (Heparin)
Units
N/A
Ref low
44
Ref high
147
Critical range
— – 5 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
coag-tissue-factor-induced
CPT
84075
SNOMED
27550007
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

Why This Test Is Done

Your healthcare provider may order this test to diagnose or monitor conditions such as kidney disease, liver problems, multiple myeloma, or other blood disorders. It can also help evaluate protein malnutrition or detect abnormal protein production.

What to Expect Before the Test

No special preparation is needed. You may have a small needle inserted into a vein (usually in your arm) to draw blood. If you’re on blood thinners, let your provider know before the test.

What the Results Mean

Results show the distribution of proteins in your blood, such as albumin (which keeps blood vessels intact) and globulins (which support immunity and clotting). Abnormal patterns may indicate conditions like hypoalbuminemia, multiple myeloma, or inflammatory diseases.

Common Conditions Monitored

This test is often used to track protein levels in chronic kidney disease, liver cirrhosis, or autoimmune disorders. It may also help guide treatment decisions for conditions like nephrotic syndrome or monoclonal gammopathy.

Reference range

Adult: 44-147 U/LN/A

Specimen: plasma

No special preparation required. Avoid fatty meals before the test if possible.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Protein electrophoresis is critical for diagnosing and managing conditions where protein levels or patterns deviate from normal. For example, a high globulin level might suggest chronic infection or inflammation, while an abnormal albumin-to-globulin ratio could point to liver or kidney disease. Early detection allows for timely interventions.

Short name

Serum Protein Electrophoresis

Frequently asked questions

What does a protein electrophoresis test measure?
It measures the types and amounts of proteins in your blood, including albumin, globulins, and sometimes unusual proteins (like monoclonal spikes) that may indicate diseases like multiple myeloma.
How long does it take to get results from this test?
Results are typically available within 24 to 48 hours, depending on your lab’s processing time. Your doctor will discuss the findings with you during a follow-up visit.
Can I eat or drink before this test?
You can eat and drink normally before the test, as no fasting is required. However, inform your provider if you’re on blood thinners or have a history of bleeding issues.
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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