Mid-Atlantic · Onion Allergy Test – Food Allergies
Onion Allergy Test – Food Allergies in Washington DC
This page explains the onion allergy test – food allergies, what it measures, and how to order it. The Onion Allergy Test checks for an allergic reaction to onions by detecting specific IgE antibodies in a blood sample.
What this test is
This test measures the presence of IgE antibodies that are specific to onions. It helps identify if an individual has an allergic response to onions. The test is typically used to aid in diagnosing food allergies.
What it measures
- Onion-specific IgE — reflects the presence of an allergic response to onions
What the test involves
The test involves a standard blood draw, where a healthcare professional collects a small sample of blood from a vein in your arm. The sample is then analyzed for the presence of onion-specific IgE antibodies.
Why it is often ordered
Clinicians generally order this test when an individual shows symptoms that may suggest an onion allergy. It helps in identifying whether onions are the cause of allergic reactions.
Preparation
Preparation for the test involves following specific instructions provided by the laboratory. It's important to check with the lab for any special requirements.
How results are reported
Results indicate the level of onion-specific IgE antibodies in the blood. Reference ranges and interpretation of results can vary by laboratory.
Before you go
- Turnaround time for results
- Specific preparation instructions
- Availability of the test at the lab
Cities
Onion Allergy Test – Food Allergies in Washington DC communities
Choose your city for local context and to request this test.