# 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. Doctors use these results to help distinguish celiac disease from other causes of digestive distress or skin rashes. However, this screening test alone cannot confirm a diagnosis without further medical evaluation, such as an intestinal biopsy.

- Labcorp code: 164107
- Category: [Autoimmunity](https://app.picardo.health/labs/tests/autoimmunity.md)
- Price: shown at checkout, before payment.
- Blood draw: free at a Labcorp location, or $75.00 at home.
- Order link: https://app.picardo.health/labs/order?tests=164107&ref=assistant

## About ordering

A licensed physician reviews every order before any test is run, and results arrive in the person's 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.