Formaldehyde Allergy Test
Formaldehyde Allergy Test is a laboratory test you can order directly. The formaldehyde allergy test is a blood test that checks for allergic sensitization to formaldehyde, a common chemical found in some building materials, household products, and preservatives. It is usually ordered when a person has unexplained skin, respiratory, or systemic symptoms that may be triggered by formaldehyde exposure.
- Sample type
- blood
- Category
- Allergy
- Turnaround
- 1-3 business days
- Price
- $49
- Referral
- Not required
The formaldehyde allergy test is a blood test that checks for allergic sensitization to formaldehyde, a common chemical found in some building materials, household products, and preservatives. It is usually ordered when a person has unexplained skin, respiratory, or systemic symptoms that may be triggered by formaldehyde exposure.
What it measures
- Formaldehyde-specific IgE — Amount of allergic antibody (IgE) in your blood that binds to formaldehyde.
- Total IgE — Overall level of allergic antibodies, which helps interpret the specific result.
- Eosinophil count — Number of a type of white blood cell often linked to allergic reactions.
Who it is for
This test is typically ordered by an allergist, immunologist, or primary care clinician when a patient reports symptoms that may be related to formaldehyde exposure.
Preparation
No fasting or special preparation is needed. Tell your clinician about any medications you take, as some antihistamines may affect test results.
Results and what they mean
Results are reported as a level of formaldehyde-specific IgE, often as a number with a reference range. A clinician interprets the result along with your symptoms and exposure history. This information is not medical advice; only a qualified healthcare professional can diagnose an allergy.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the formaldehyde allergy test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Do I need to fast for this test?
No, fasting is not required.
How long does it take to get results?
Most results are available within 1 to 3 business days.
What does a positive result mean?
It means your blood contains allergic antibodies to formaldehyde, but it does not by itself confirm an allergy. Your clinician will consider your symptoms and exposure.
Can this test tell me if I have a formaldehyde allergy?
It can show sensitization, but a diagnosis requires a full evaluation by a healthcare professional.