Soybean Nitrogen Equivalent (SNE) in Serum/Plasma
This test measures the amount of nitrogen derived from soybean protein in your blood, often used to assess dietary soy intake or specific protein-related conditions.
["Understanding your soy protein levels may help with dietary planning or monitoring certain health conditions."]
Key facts at a glance
- LOINC
- 81998-7
- Short code
- Deprecated Soybean (nGly m) 6 IgE RAST Ql
- Synonyms
- Deprecated Soybean (nGly m) 6 IgE RAST Ql
- Category
- glucose
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 10
- Ref high
- 40
- Critical range
- — – 500 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 84484
- SNOMED
- 302774002
- 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
What Is Soy Nitrogen Equivalent (SNE)?
SNE is a way to quantify the nitrogen content from soy proteins in your blood. It’s not a standard clinical test but may be used in research or specialized dietary evaluations to track soy protein metabolism.
Why Might You Need This Test?
While rare in routine care, this test could be part of a broader evaluation for conditions involving soy allergies, protein metabolism studies, or specialized dietary assessments. Your healthcare provider would explain its necessity.
How Is the Test Performed?
A blood sample is drawn, typically from a vein in your arm. The sample is processed to measure nitrogen derived from soy proteins, often using techniques like immunoassay or nephelometry.
What Do Results Mean?
Results provide a measure of soy-derived nitrogen in your blood, but they don’t translate directly to clinical conditions. Interpretation depends on context, such as dietary history or research protocols.
Reference range
Adult: 10-40 U/LN/A
No special preparation required. Avoid fatty meals before the test if possible.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test is not routinely used in clinical practice for diagnosing or managing health conditions. It may be part of specialized studies, dietary monitoring, or research projects focused on soy protein metabolism. Always discuss results with your healthcare provider.
Short name
SNE (Serum/Plasma)
Frequently asked questions
Why would my doctor order this test?
How long will it take to get results?
Can I eat soy foods 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 17, 2026. · Read our editorial policy