Total Serum/Plasma Protein Concentration
This test measures the total amount of protein in your blood serum or plasma. Proteins are essential for many bodily functions, including transporting nutrients, maintaining fluid balance, and supporting immune responses.
["Your blood protein levels help assess overall health and detect potential issues like dehydration, liver disease, or kidney problems."]
Key facts at a glance
- LOINC
- 49899-8
- Short code
- S rostrata IgE/IgE total %
- Synonyms
- S rostrata IgE/IgE total %
- 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 It’s Done
Doctors may order this test to evaluate your health in several situations, such as checking for signs of kidney disease, liver problems, or malnutrition. It can also help diagnose conditions like edema (swelling), infections, or certain types of anemia. Sometimes, it’s used as part of a routine check-up or to monitor chronic conditions.
What to Expect Before the Test
No special preparation is usually needed. You may be asked to fast for a few hours before the test if it’s part of a more complex evaluation, but this isn’t always the case. Bring any medications or supplements you’re taking to your appointment.
What Happens During the Test
A healthcare provider will draw blood from a vein in your arm using a small needle. You may feel a brief pinch, but it’s usually over quickly. The blood sample is then sent to a lab for analysis.
What the Results Mean
Your results will show the total protein concentration in your blood. While specific reference ranges can vary by lab, lower levels might suggest conditions like kidney disease or malnutrition, while higher levels could indicate dehydration, liver disease, or certain inflammatory conditions. Your doctor will interpret the results in the context of your overall health.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Total Protein
Frequently asked questions
How long does it take to get my results?
Can I eat or drink anything before this test?
Will I experience any side effects from the blood draw?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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