Immunoassay for IgE Antibodies to Specific Allergens (e.g., Insect Venom)
This test measures the level of Immunoglobulin E (IgE) antibodies in your blood that react to specific allergens from insect venom, such as bee or wasp stings.
["Assessing your risk for allergic reactions to insect venom through blood testing."]
Key facts at a glance
- LOINC
- 102969-3
- Short code
- Misc Allergen IgE RAST
- Synonyms
- Misc Allergen IgE RAST
- Category
- chemistry
- 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
- Method
- rast
- 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
Why This Test Might Be Ordered
Your doctor may recommend this test if you’ve had a known allergic reaction to insect venom (e.g., hives, swelling, difficulty breathing) or if you’re at risk for severe reactions like anaphylaxis. It’s also used to confirm allergies before exposure or to monitor treatment progress.
What to Expect Before the Test
No special preparation is needed. You’ll have a small needle inserted into your arm to draw blood, similar to other routine blood tests. If you’re prone to bleeding or have a history of needle phobia, let your doctor know.
What the Test Results Mean
Results show the concentration of IgE antibodies specific to insect venoms. Higher levels may indicate an allergic reaction risk, but they don’t guarantee a reaction will occur. Your doctor will interpret results in the context of your medical history and symptoms.
Common Reasons for Testing
This test helps doctors diagnose allergies to insect venom, guide allergy immunotherapy (like injections), or assess risk before activities like outdoor work or travel in areas with venomous insects.
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.
◆Associated findings1
Short name
IgE to Insect Venom Allergens
Frequently asked questions
Will this test show if I’m allergic to insect venom?
How often should I get this test?
Can I take anything before the blood draw?
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