Quick Facts
- Sample: Blood (serum)
- Fasting: Not required
- Turn-around: 2-5 business days. May take longer based on weather, holiday, or lab delays.
Benefits
- Quick results – Get answers in 2-5 business days without waiting for doctor appointments
- Non-invasive testing – Simple blood draw with no skin irritation or discomfort
- Accurate detection – Measures specific IgE antibodies to confirm green bean sensitivity
- Convenient access – Order directly online without prescription requirements
- Proactive management – Identify triggers early to prevent severe allergic reactions
- Confidential results – Private electronic delivery for your peace of mind
Who Is This Test For?
- Individuals experiencing unexplained allergic symptoms after eating green beans
- People with known legume allergies wanting to identify specific triggers
- Those with a family history of food allergies seeking preventive screening
- Individuals planning immunotherapy who need confirmed allergen identification
- Anyone wanting to rule out green bean allergy for dietary planning
How It Works – Just 3 Steps
- Order online - Schedule your test at a convenient lab location near you
- Quick blood draw - Visit the lab for a simple venipuncture sample collection
- Get results - Receive confidential results electronically within 2-5 business days
FAQ
What does this test measure? Specific IgE antibodies to green bean allergens in your blood serum.
Do I need to stop eating green beans before testing? No dietary restrictions are needed before taking this test.
Can this test diagnose other legume allergies? This test is specific to green beans only, not other legumes like peanuts or soybeans.
How accurate are the results? IgE blood tests show high specificity and sensitivity for Type I allergic reactions (PubMed Central 2020).
What if my results are positive? Consult with an allergist to confirm diagnosis and develop an appropriate management plan.
More Details
What is the purpose of this test?
This blood test measures immunoglobulin E (IgE) antibodies specific to green bean allergens (Phaseolus vulgaris). When you're allergic to green beans, your immune system produces these antibodies as a defensive response. The test quantifies these antibodies to determine if you have an allergic sensitization to green beans, helping confirm or rule out this specific food allergy.
Who would benefit from this test?
Individuals experiencing symptoms like tingling mouth, swelling, abdominal pain, nausea, hives, or breathing difficulties after consuming green beans should consider this test. It's particularly valuable for people with existing legume allergies, those with unexplained allergic reactions, or individuals planning immunotherapy who need specific allergen confirmation. The test also benefits health-conscious consumers seeking proactive allergy management (Food Allergy Research & Education 2021).
When should I order Green Bean Allergy IgE Blood Test?
.Order this test when you experience allergic symptoms within minutes to hours after eating green beans or dishes containing them. It's also recommended before starting elimination diets, when planning immunotherapy, or if you have a family history of food allergies and want preventive screening. Consider testing if you've had unexplained allergic reactions and suspect green beans as a trigger.
How do I interpret the results?
IgE Class 0 (< 0.35 kU/L)
- What it means: Negative – No sensitization detected
- Typical action: Green beans likely safe to consume
IgE Class 1 (0.35–0.7 kU/L)
- What it means: Low positive – Mild sensitization
- Typical action: Monitor symptoms, consider avoidance
IgE Class 2 (0.7–3.5 kU/L)
- What it means: Moderate positive – Clear sensitization
- Typical action: Avoid green beans, consult allergist
IgE Class 3–6 (> 3.5 kU/L)
- What it means: High positive – Strong sensitization
- Typical action: Strict avoidance, carry emergency medication
Positive results indicate sensitization but must be correlated with clinical symptoms for definitive allergy diagnosis.
Disclaimer: Reference ranges may vary by laboratory. Listed ranges are general guidelines and may differ from those used by the performing lab. Always consult your healthcare provider for interpretation.
Pre-test preparation
No fasting or special preparation is required for this blood test. Continue taking your regular medications unless specifically advised otherwise by your healthcare provider. You can eat normally before your appointment. The blood sample is collected through a standard venipuncture procedure at any participating laboratory location.
How often should I get tested?
- Initial screening: Once, unless symptoms change
- Monitoring during immunotherapy: Every 6–12 months as directed
- New or worsening symptoms: Retest as symptoms develop
- Considering reintroduction: After 1–2 years of strict avoidance
Why early detection matters
Early identification of green bean allergy helps prevent severe reactions and anaphylaxis, which can be life-threatening. Legume allergies affect approximately 1-2% of the US population, and accurate detection reduces healthcare costs from emergency interventions (FARE 2021). Knowing your specific allergens enables better dietary planning, improved quality of life, and informed medical decisions about treatments like immunotherapy.
Related tests you may consider
Allergen Profile, Food-Legume Blood Test - Measures the IgE antibody levels in the blood to help detect an allergy to certain legumes.
Immunoglobulin E Blood Test, Total, IgE - Measures the total IgE antibody levels in the blood to assess the likelihood of experiencing allergic reactions.
200 Food Sensitivity Panel- ALCAT Test Kit - Measures changes in size and volume of white blood cells in response to challenges with foods. This is a sensitivity test, not an allergy test
