What is the most accurate diagnostic test for celiac disease?

The tTG test is the most sensitive test for celiac disease. Though rare, this means patients with celiac disease could have a negative antibody test result.

What is the definitive test for diagnosing celiac disease?

Two blood tests can help diagnose it: Serology testing looks for antibodies in your blood. Elevated levels of certain antibody proteins indicate an immune reaction to gluten. Genetic testing for human leukocyte antigens (HLA-DQ2 and HLA-DQ8) can be used to rule out celiac disease.

Can a naturopath diagnose celiac?

The naturopathic doctors at Annex Naturopathic Clinic are able to assess, diagnose and treat celiac disease and NCGS.

Can a nutritionist test for celiac?

In your nutrition appointments, an experienced dietitian will1,2,3: Review your diet, supplements, celiac blood tests* (examples: TTG-IgA, DPG-IgA, DGP-IgG, or EMA) and nutrition labs.

Are there any serologic tests for celiac disease?

Celiac panels that include a combination of serologic tests are available. The tests included in a panel vary by lab, and all of the tests may not be necessary. Some labs have developed cascades of tests to avoid automatically running unnecessary tests. Point-of-care serologic tests for celiac disease have been developed.

When to use a small intestinal biopsy for celiac disease?

This is a term used when an individual has a positive celiac disease blood test but a normal small intestinal biopsy. People with potential celiac disease are at an increased risk for developing celiac disease as indicated by positive celiac disease blood tests.

What to do if your celiac disease test is negative?

Other Tests. While it is very rare, it is possible for someone with celiac disease to have negative antibody test results. If your tests were negative, but you continue to experience symptoms, consult your physician and undergo further medical evaluation.

Is there an alternative test to tTG for celiac disease?

tTG, IgG may be used as an alternative test in people who have a deficiency of IgA. Deamidated gliadin peptide (DGP) antibodies (anti-DGP), IgA or IgG — may be used in some people with suspected celiac disease who are negative for anti-tTG, especially children younger than 2 years old.