Serum or plasma substance concentration measurement for a specific protein or biomarker (likely related to renal function or metabolic screening)
This test measures the amount of a particular substance in your blood, often used to check kidney function, metabolic health, or other conditions.
["Understanding your blood substance levels helps doctors diagnose and monitor health conditions."]
Key facts at a glance
- LOINC
- 97559-9
- Short code
- nAChR IgG+IgM Ser IA-sCnc
- Synonyms
- nAChR IgG+IgM Ser IA-sCnc
- Category
- coagulation
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ia
- CPT
- 82784
- 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 you have symptoms like fatigue, swelling, frequent urination, or if you’re at risk for kidney disease, diabetes, or other metabolic disorders. It could also be part of routine check-ups or monitoring for certain conditions.
What to Expect Before the Test
No special preparation is usually needed, but you may be asked to fast for a few hours if the test involves a specific analyte related to blood sugar or fats. Drink plenty of water the day before to ensure proper blood flow. Avoid smoking or excessive caffeine before the test.
What Happens During the Test
A healthcare professional will draw blood from a vein in your arm. You may feel a slight pinch, but it usually doesn’t cause pain. The blood sample is then sent to a lab for analysis.
What the Results Mean
Results will show the concentration of the measured substance in your blood. While reference ranges vary by lab and analyte, higher or lower levels may indicate potential health issues that need further evaluation.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
None
Frequently asked questions
This test can help identify conditions such as kidney disease, liver problems, metabolic disorders, or other systemic health issues by detecting abnormal levels of specific substances in your blood.
How often should I get this test?
What can affect my test results?
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