Serum/plasma concentration of a specific protein or peptide marker (likely related to immune function or inflammation, based on context)
This test measures the amount of a particular protein or substance in your blood, which may help assess immune function, inflammation, or other health conditions.
["Understanding your protein levels can help doctors diagnose or monitor certain health issues."]
Key facts at a glance
- LOINC
- 77490-1
- Short code
- Deprecated Hind+Mid ft-Bl XR Ski Jump
- Synonyms
- Deprecated Hind+Mid ft-Bl XR Ski Jump
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- xr
- 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 they suspect conditions like autoimmune disorders, infections, kidney disease, or other metabolic or inflammatory conditions. It could also be part of routine monitoring for chronic illnesses or after certain treatments.
What to Expect Before the Test
No special preparation is typically required, but you may be asked to fast for a few hours if the test involves a specific type of specimen (e.g., fasting blood glucose). Always follow your provider’s instructions. Avoid smoking or consuming alcohol for a specified period before testing if advised.
During the Test Process
A healthcare professional will draw blood from a vein in your arm. You may feel a brief pinch or slight discomfort, but it usually lasts only a few seconds. The process takes about 5 minutes, and you can usually return to your normal activities immediately afterward.
What the Results Mean
Results will be compared to standard ranges for your age, sex, and overall health. High or low levels may indicate potential health concerns, but they don’t diagnose conditions alone. Your doctor will discuss the results with you and may recommend further testing or adjustments to your treatment plan.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Elevated levels may signal inflammation, immune system activation, or certain diseases like infections, cancers, or autoimmune disorders. Low levels could indicate deficiencies, liver or kidney issues, or other metabolic problems. Always interpret results in the context of your overall health and symptoms.
Frequently asked questions
How long does it take to get my test results?
Can I eat or drink before this test?
What should I do if I have symptoms before the 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