Skip to content

Serum or plasma mass concentration of total protein

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

This test measures the amount of protein in your blood, which helps assess overall protein levels and kidney function.

Quick summary

["Total protein helps check for kidney issues and protein loss in urine or other conditions affecting protein balance."]

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

Key facts at a glance

LOINC
30862-7
Short code
MRA Chest ves
Synonyms
MRA Chest 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

Why Is This Test Done?

Your healthcare provider may order this test to evaluate kidney function, detect protein-losing conditions (such as nephrotic syndrome), or assess nutritional status. It can also help diagnose or monitor conditions like liver disease or certain infections.

What Does a Low or High Result Mean?

Low total protein levels may indicate malnutrition, liver disease, kidney problems, or excessive protein loss (e.g., in urine). High levels could suggest dehydration, chronic inflammation, or conditions like multiple myeloma.

How Is This Test Performed?

A blood sample is drawn from a vein, typically in your arm. The blood is then processed to separate serum or plasma for protein measurement using a specialized lab technique.

What Should You Do Before the Test?

No special preparation is usually needed, but inform your provider if you’re taking certain medications or have conditions like kidney disease. Avoid heavy meals 12 hours before testing if instructed.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Total Protein Levels Reflect Systemic Health

Short name

Total Protein

Frequently asked questions

How long does it take to get results from this test?
Results are typically available within 1–3 business days, depending on your lab’s processing time. Follow-up with your healthcare provider to discuss findings.
Can diet affect my total protein test results?
Yes, diet can influence protein levels. High-protein diets may temporarily raise results, while malnutrition or excessive fluid intake could lower them. Your provider may recommend dietary adjustments if needed.
Is this test painful?
The blood draw itself may cause mild discomfort, but most people tolerate it well. A small bandage or ice pack can help reduce any soreness afterward.
  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