Lab test

Hexamethylene Diisocyanate (HDI) Allergy Test – Chemical

Below is a plain-language overview of the hexamethylene diisocyanate (hdi) allergy test – chemical. The Hexamethylene Diisocyanate (HDI) Allergy Test checks for allergic reactions to HDI using a blood sample.

Sample typeBlood draw at a collection lab

ReferralNo referral required

What this test is

This test detects IgE antibodies in the blood that are specific to Hexamethylene Diisocyanate (HDI), a chemical commonly used in industrial applications. It helps identify potential allergic reactions to HDI exposure.

What it measures

IgE antibodies — reflects allergic response to HDI

What the test involves

The test involves a standard blood draw, where a healthcare professional collects a blood sample from a vein in your arm.

Why it is often ordered

Clinicians typically order this test when a person shows symptoms of an allergic reaction after exposure to HDI. It can help determine if HDI is the cause of these symptoms.

Preparation

Preparation for the test is minimal, but it is important to follow the specific instructions provided by the collection lab.

How results are reported

Results indicate the presence of IgE antibodies specific to HDI, and reference ranges for these antibodies vary by laboratory.

Before you go

Test availability
Preparation instructions
Turnaround time

FAQ

Frequently asked questions

What is Hexamethylene Diisocyanate (HDI)?

HDI is a chemical used in the production of polyurethane products. It can cause allergic reactions in some individuals.

How long does it take to get results?

Results are typically available within 1-3 business days, but this can vary depending on the laboratory.

Can I eat before the test?

There are usually no dietary restrictions before the test, but confirm any specific instructions with the lab.

What symptoms might indicate an HDI allergy?

Symptoms can include respiratory issues, skin irritation, or other allergic reactions after HDI exposure.

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