Serum/Plasma Substance Concentration by Immunoassay (General Protein or Specific Marker)
This test measures the amount of a specific protein or general protein-related substance in your blood, often used to check for conditions affecting protein production, breakdown, or kidney function.
["Helps diagnose and monitor conditions like liver disease, kidney disease, or protein-related disorders."]
Key facts at a glance
- LOINC
- 95651-6
- Short code
- YFV NAb Titr Spec Nt
- Synonyms
- YFV NAb Titr Spec Nt
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- neut
- 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 Is Done
Your healthcare provider may order this test if you have symptoms like unexplained weight loss, swelling, fatigue, or if they suspect conditions like cirrhosis, kidney disease, or certain infections. It may also be part of routine check-ups for people at higher risk for protein-related issues.
What to Expect Before the Test
You’ll typically have a small needle inserted into your arm or vein to draw blood. Avoid eating or drinking for a few hours before the test if instructed. Stay hydrated the day of the test.
What the Test Results Mean
Results may indicate whether your protein levels are too high or too low, which can signal underlying health problems. Your provider will discuss these results with you in the context of your medical history and symptoms.
Common Conditions Monitored
This test can help track conditions like liver disease (e.g., hepatitis), kidney disease, or protein-losing syndromes. It may also assess nutritional status or response to treatments.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test plays a critical role in identifying and managing conditions that disrupt normal protein metabolism. Elevated or low protein levels can signal serious health issues, such as organ dysfunction, malnutrition, or immune system problems. Early detection allows for timely medical intervention.
Short name
Protein Level Test
Frequently asked questions
What does a high or low protein level mean?
How long will I need to wait for my results?
Can I eat or drink before this test?
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