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Mass concentration of a specific protein in serum/plasma (e.g., albumin or globulin)

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

This test measures the amount of a particular protein in your blood, often used to assess overall protein balance or detect abnormalities in protein levels.

Quick summary

["This test helps doctors check for protein-related health issues."]

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

Key facts at a glance

LOINC
2638-5
Short code
MBP CSF-mCnc
Synonyms
MBP CSF-mCnc
Category
chemistry
Sample
csf
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
1-2 mL
Stability
Immediate analysis required, Refrigerated: 1h
Hemolysis max
200
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if they suspect conditions like protein malnutrition, kidney disease, liver problems, or certain infections. It could also be part of routine monitoring for chronic conditions.

What to Expect Before the Test

No special preparation is usually needed, but you might be asked to fast for a few hours if the test involves a specific protein related to digestion or metabolism. Bring any medications you’re taking.

What Happens During the Test

A healthcare professional will draw blood from a vein in your arm. The blood sample is then sent to a lab for analysis. The test measures the protein’s concentration using a specialized method, often involving liquid chromatography or immunoassay.

What the Results Mean

Results will show the protein’s mass concentration in your blood. High or low levels may indicate underlying health concerns, but your doctor will interpret the results in the context of your medical history and symptoms.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Abnormal protein levels can signal conditions like hypoalbuminemia (low albumin), which may affect circulation and tissue health, or hyperglobulinemia, which could point to chronic infections, autoimmune diseases, or other systemic issues. Regular monitoring helps manage these conditions effectively.

Short name

None

Frequently asked questions

What does a high or low protein level indicate?
A high level might suggest conditions like multiple myeloma, severe infections, or dehydration, while low levels could indicate malnutrition, kidney or liver disease, or certain inflammatory conditions. Your doctor will discuss these findings with you.
How often should I get this test?
Frequency depends on your health status and why the test was ordered. Your doctor will determine how often you need it based on your treatment plan and medical needs.
Can diet or medications affect this test?
Yes, certain foods, medications, or supplements (like protein supplements or diuretics) can influence protein levels. Always inform your healthcare provider about everything you’re taking.
  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