Book Tissue Transglutaminase IgA Test (tTG IgA) Near Me

The Tissue Transglutaminase IgA Test checks your blood for antibodies linked to celiac disease. You may also see it listed as tTG IgA or anti-tTG IgA. Book at participating labs on LabFinder and choose a time that works for you.

What is Tissue Transglutaminase IgA Test (tTG IgA) and what does it show

This test, also called tissue transglutaminase IgA antibody, looks for IgA antibodies your immune system may make in response to gluten. Higher levels can point to celiac disease and help your doctor decide on next steps.

Who should get a Tissue Transglutaminase IgA Test (tTG IgA)

Common reasons: long-lasting belly pain, bloating, or diarrhea, iron-deficiency anemia without a clear cause, weight loss or poor growth in kids, itchy rash called dermatitis herpetiformis, or a family history of celiac disease. Doctors may also order it when screening for gluten-related problems.

How long does a Tissue Transglutaminase IgA Test (tTG IgA) take and what to expect

Bring your lab order and ID, then check in. A tech cleans your arm and draws a small tube of blood. A bandage goes on and you can head out. Plan for about 15 to 30 minutes at the lab from arrival to finish.

Is a Tissue Transglutaminase IgA Test (tTG IgA) safe and what are the risks

Yes, this is a quick, routine blood draw and is considered very safe. You might feel a quick pinch, notice a small bruise, or feel a little lightheaded for a moment afterward, but those effects usually fade quickly. Be sure to tell the staff if you take blood thinners, have a bleeding disorder, or if you have fainted during blood draws before. They will take extra care to keep you comfortable. For best results, do not stop eating gluten unless your doctor tells you to.

How to prepare for a Tissue Transglutaminase IgA Test (tTG IgA)

Diet: keep your usual diet that includes gluten unless your doctor says otherwise. Medications and supplements: bring a full list and mention high-dose biotin. Hydration: drink water so veins are easier to find. Clothing: wear sleeves that roll up. Follow any instructions from your doctor or the lab and bring prior results if you have them.

Related conditions a Tissue Transglutaminase IgA Test (tTG IgA) may help evaluate

Celiac disease, dermatitis herpetiformis, nutrient problems from poor absorption, long-lasting diarrhea or bloating, unexplained anemia, and growth or weight concerns in children. Results are read in context. Your doctor will review your history and symptoms before suggesting next steps.

Tests similar to Tissue Transglutaminase IgA Test (tTG IgA) and how they differ

  • tTG IgG: an IgG version that can help when total IgA is low or IgA tests are not reliable.
  • Total IgA: checks your IgA level to confirm whether tTG IgA can be trusted or if IgG tests are better.
  • DGP IgG or IgA: deamidated gliadin peptide antibodies that can support the picture when tTG results are unclear.

Book Tissue Transglutaminase IgA Test (tTG IgA) using LabFinder

On LabFinder, you can compare locations, see time slots, and book online at participating labs. It is easy to search for a convenient location in your area or by city or ZIP. Coverage varies by plan and provider, so check your insurance or ask the lab before you go.


Book on LabFinder: find a lab today on our lab finder and request a test doctor guided.

When To Test

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Medically Reviewed by Dr. Robert Segal, MD, FACC

Reviewed by: Dr. Robert Segal, MD, FACC

Board-Certified Physician

Last Updated: November 20, 2025

The information on this page and throughout the LabFinder website and mobile app is for general informational purposes only. It is not intended to serve as medical advice, diagnosis, or treatment. For personalized medical advice or specific health concerns, please consult your healthcare provider directly.

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Frequently Asked Questions

  • Can I book a Tissue Transglutaminase IgA Test (tTG IgA) near me?

    Booking a Tissue Transglutaminase IgA Test (tTG IgA) is easy using LabFinder. Just choose your location and enter your insurance information to find the closest Tissue Transglutaminase IgA Test (tTG IgA) near you.

  • How can I make a same-day appointment for a Tissue Transglutaminase IgA Test (tTG IgA)?

    To make a same-day appointment for a Tissue Transglutaminase IgA Test (tTG IgA), just choose your location and your insurance information to find the closest Tissue Transglutaminase IgA Test (tTG IgA) location near you. If there's availability for a same-day appointment at a nearby lab location, then you will be able to book it easily through LabFinder.

  • Where can I schedule a Tissue Transglutaminase IgA Test (tTG IgA)?

    LabFinder allows you to easily schedule a Tissue Transglutaminase IgA Test (tTG IgA). You can search by location and insurance to easily book a Tissue Transglutaminase IgA Test (tTG IgA) near you.

  • Can I make an appointment for Tissue Transglutaminase IgA Test (tTG IgA) online?

    LabFinder allows you to easily make an appointment for a Tissue Transglutaminase IgA Test (tTG IgA) online. To make an appointment for a Tissue Transglutaminase IgA Test (tTG IgA) online, just choose your location and your insurance information to find the closest Tissue Transglutaminase IgA Test (tTG IgA) near you.

  • Can I get a Tissue Transglutaminase IgA Test (tTG IgA) without insurance?

    Yes, you can get a Tissue Transglutaminase IgA Test (tTG IgA) without insurance. LabFinder allows you to search and select "Self-Pay" when booking a Tissue Transglutaminase IgA Test (tTG IgA). While pricing for the test may not be immediately available, please check by calling the lab company directly for pricing.

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