Lab test

White-Faced Hornet Allergy Test - Insects

A white-faced hornet venom-specific IgE blood test measures antibodies the immune system may produce against proteins in white-faced hornet venom.

Typical price

From $49

Results

1-3 business days

Preparation

See preparation notes below

Sample

Blood draw or sample collection at a local center

A white-faced hornet venom-specific IgE blood test measures antibodies the immune system may produce against proteins in white-faced hornet venom. It is a screening tool for suspected sting allergy, not a diagnosis on its own. Clinicians may order it after a sting reaction, when symptoms suggest venom allergy, or as part of a Hymenoptera insect venom panel. Results are interpreted together with the details of the sting and the reaction.

• White-faced hornet venom-specific IgE IgE antibodies directed against white-faced hornet venom proteins; used to assess sensitization to this insect's sting.

• A reaction after a white-faced hornet sting that extends beyond the sting site
• History of a severe reaction following an insect sting
• Work or recreation that increases exposure to stinging insects
• Evaluation as part of a venom allergy panel

• No fasting is required for most IgE allergy tests
• Tell the provider about antihistamines and other medications that may affect interpretation
• A single blood draw is collected; no special preparation is needed

Results are reported as a level of white-faced hornet venom-specific IgE, often described as negative, low, moderate, or high. An elevated level may indicate sensitization to white-faced hornet venom, but it does not predict the severity of a future sting reaction. A negative result does not completely rule out allergy. Because venoms from related stinging insects can cross-react, discuss what the result means with a healthcare provider.

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