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Lung Fluid Protein Electrophoresis (Serum/Plasma)

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

This test measures the protein composition in your blood, often used to assess lung conditions like pulmonary edema or inflammation. It helps identify abnormal protein patterns that may signal underlying health issues.

Quick summary

["This test helps diagnose or monitor lung-related protein imbalances."]

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

Key facts at a glance

LOINC
36803-5
Short code
MRA Pulmonary ves
Synonyms
MRA Pulmonary ves
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
mr-angio
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 This Test Measures

Lung fluid protein electrophoresis separates proteins in your blood into different fractions (such as albumin, globulins, and others) using an electric field. This helps detect abnormalities that may indicate conditions like pulmonary edema, infections, or inflammatory diseases.

Why It’s Ordered

Your healthcare provider may order this test if you have symptoms like shortness of breath, unexplained fluid in the lungs, or signs of lung inflammation. It’s also used to monitor conditions like kidney disease or certain cancers that affect protein levels.

Sample Collection and Preparation

A blood sample is drawn from a vein, typically in your arm. The blood is then processed to separate serum or plasma, which is sent to a lab for protein analysis. The lab uses electrophoresis to analyze protein patterns.

Common Conditions Monitored

This test is particularly useful for diagnosing or managing conditions such as pulmonary edema (fluid buildup in the lungs), infections (like pneumonia), inflammatory diseases (such as lupus or rheumatoid arthritis), and certain cancers that alter protein profiles.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Serum Protein Electrophoresis (Lung Fluid)

Frequently asked questions

How long does it take to get results from this test?
Results are typically available within 1 to 3 business days, depending on lab processing times. Your healthcare provider will discuss the findings with you during your follow-up visit.
Can I eat or drink anything before this test?
No special preparation is needed for this blood test. However, if you have diabetes or take certain medications, let your provider know before the test.
What does an abnormal protein pattern mean?
An abnormal pattern may indicate conditions like infections, inflammation, or fluid imbalances in the lungs. Your provider will interpret the results in the context of your symptoms and medical history to guide further care.
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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