# Celiac Antibodies tTG IgA/DGP IgG Combination Screen

> This test measures specific antibodies that the immune system creates in response to eating gluten. It helps show whether the body is having an abnormal immune reaction to wheat, barley, or rye that damages the small intestine.

- Labcorp code: 164107
- Category: [Autoimmunity](https://picardo.health/labs/tests/autoimmunity.md)
- Sample: blood
- Labcorp turnaround: 2–5 days
- Collection: free at a Labcorp location, or $75.00 at home.
- Without a doctor: yes. People order it themselves, with no doctor's visit or referral.
- Price: shown on the review page its order link opens. Opening it orders nothing.
- Order link: https://app.picardo.health/labs/order?tests=164107&ref=assistant

## Results reported (2)

- Deamidated Gliadin Abs, IgG
- t-Transglutaminase (tTG) IgA

## About ordering

People order for themselves, with no doctor's visit or referral, and results arrive in their Picardo account. Ordering is open to adults 18 and over in the US, except New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii and Maine. General health information, not medical advice.