Isocyanate TDI (k75) IgE Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	Coming soon	$8.99
Results in	—	~5 business days
Sample type	—	Blood Serum
Require fasting	—	No

About the test

This test measures the body's immune response to TDI, a chemical often used in manufacturing. It's important for diagnosing allergies to TDI, which can cause symptoms like asthma, skin irritation, and other allergic reactions.

Who might consider it:

This test is suitable for individuals who have been exposed to TDI and may be experiencing allergic reactions, including:

Difficulty breathing
Skin irritation
Eye irritation
Nasal congestion

Included biomarkers & Reference ranges

Biomarker	Reference range
Isocyanate TDI (k75) IgE Measures IgE antibodies to the isocyanate TDI, a chemical used in flexible foams and coatings, to check for sensitization in people with work-related breathing symptoms.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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