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Serum or plasma concentration of a substance related to protein metabolism (potentially albumin or related protein)

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

This test measures the level of a specific protein in your blood, which can help assess conditions affecting protein balance, kidney function, or liver health.

Quick summary

["This test helps monitor protein levels that may indicate underlying health concerns."]

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

Key facts at a glance

LOINC
12447-9
Short code
Deprecated PEMA Ur Ql
Synonyms
Deprecated PEMA Ur Ql
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

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like swelling, unexplained weight changes, fatigue, or if they suspect conditions such as kidney disease, liver problems, or malnutrition. It may also be used as part of routine health checks or to monitor chronic conditions.

What to Expect Before the Test

No special preparation is typically needed, but you may be asked to fast for a few hours before the test if it involves a blood draw. Avoid smoking or consuming certain medications for the recommended time. Bring any medications you’re currently taking to your appointment.

What Happens During the Test

A healthcare professional will collect a blood sample from a vein in your arm. You may feel a slight pinch, but the process is quick and usually painless. The sample is then sent to a lab for analysis.

What the Results Mean

Results will show the concentration of the protein in your blood. While specific reference ranges vary by lab, lower or higher levels may signal potential health issues that your provider can discuss with you.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Protein-related serum/plasma test

Frequently asked questions

What does a low or high protein level indicate?
Low protein levels may suggest conditions like kidney disease, liver problems, or malnutrition. High levels could be linked to dehydration, certain infections, or other metabolic issues. Your provider will interpret results in the context of your overall health.
How often should I get this test?
Frequency depends on your health status and medical needs. Your provider will determine how often to repeat this test based on your symptoms, diagnosis, or treatment plan.
Can lifestyle changes affect my protein test results?
Yes, diet, hydration, and certain medications can influence protein levels. Following your provider’s advice on diet, hydration, and medication use can help ensure accurate results.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

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