Northeast US Allergy Test: Top 24 Allergens in California

What this test is

The Northeast US Allergy Test screens for 24 common allergens prevalent in states like Connecticut, Maine, and New York. It measures the presence of specific IgE antibodies in the blood, indicating potential allergic reactions. This test is useful for understanding regional allergy triggers.

What it measures

• Tree Pollen IgE — reflects sensitivity to tree pollens common in the region
• Grass Pollen IgE — indicates reaction to grass pollens
• Ragweed Pollen IgE — shows sensitivity to ragweed pollen
• Dust Mite IgE — reveals reaction to dust mites
• Cat Dander IgE — indicates sensitivity to cat allergens

What the test involves

The test involves a standard blood draw, typically performed at a healthcare facility. The collected sample is then analyzed for specific IgE antibodies.

Why it is often ordered

A clinician might order this test if an individual shows symptoms of allergies, such as sneezing or skin reactions, especially after exposure to common regional allergens. It helps in identifying specific allergens responsible for these symptoms.

Preparation

Preparation instructions should be followed as provided by the lab conducting the test. Always check with the lab for specific guidelines.

How results are reported

Results indicate the presence of IgE antibodies to specific allergens, with reference ranges varying by laboratory. Discuss results with a healthcare provider for interpretation.

Before you go

• Check if fasting is required.
• Verify the lab's specific preparation instructions.
• Confirm the lab's turnaround time for results.