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Organ-specific protein profile (serum/plasma)

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

This test measures a variety of proteins found in your blood that can help assess the health of your organs, including the liver, kidneys, and heart.

Quick summary

["This test helps doctors check for potential organ damage or disease."]

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

Key facts at a glance

LOINC
81658-7
Short code
Suspect org Spec
Synonyms
Suspect org Spec
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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

The test typically includes proteins like albumin, globulins, and other organ-specific markers that may indicate how well your liver, kidneys, and other organs are functioning. Some tests may also check for markers of inflammation or metabolic processes.

Why It’s Ordered

Your doctor may recommend this test if you have symptoms like fatigue, unexplained weight loss, swelling, or if they suspect conditions such as liver disease, kidney problems, or heart failure. It can also be part of routine check-ups or before certain treatments.

What to Expect Before the Test

You may be asked to fast for a few hours before the test, depending on the specific proteins being measured. Bring any medications you’re currently taking, as some may affect results. Avoid alcohol and certain foods (like fatty meals) that could influence blood protein levels.

What to Expect During the Test

A healthcare provider will draw blood from a vein in your arm. You may feel a slight pinch or discomfort, but it usually only takes a few minutes. You can usually return to your normal activities immediately afterward.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Abnormal results may signal underlying health issues, such as liver disease (e.g., cirrhosis), kidney disease, heart problems, or conditions affecting protein metabolism. Low albumin, for example, could indicate malnutrition or liver/kidney dysfunction, while elevated globulins might suggest inflammation or infection. Always discuss results with your doctor for personalized interpretation.

Short name

Organ Protein Screen

Frequently asked questions

How long will it take to get my results?
Results are typically available within 1 to 3 business days, depending on your lab’s processing time. Your doctor will contact you once they are ready to discuss the findings with you.
Can I eat or drink before this test?
Follow your doctor’s instructions, but generally, you may have clear liquids (like water) unless fasting is required. Avoid heavy meals, alcohol, or certain medications that could affect protein levels.
Will this test show if I have a specific disease, like diabetes or cancer?
This test provides general organ function and protein profiles but isn’t a diagnostic tool for diseases like diabetes or cancer. It may flag abnormalities that warrant further testing, such as blood glucose checks or imaging studies, depending on your symptoms and doctor’s recommendations.
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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