What tests should I take for celiac disease diagnosis?
You’ll need to take some tests to find out if you have celiac disease. And for some of these tests to be accurate, you’ll have to have some gluten in your diet.
To find out if you have celiac disease, you may first get:
- Blood test. This test checks for certain antibodies in your blood.
- HLA genetic test. This looks for the HLA-DQ2 and HLA-DQ8 genes. If you don’t have them, it’s very unlikely that you have celiac disease. You may get a blood test, saliva test, or a swab of the inside of your cheek.
If the results show that you might have celiac disease, your next step is endoscopy. Endoscopy lets your doctor check your small intestine for damage.Your doctor will likely take a little bit of tissue from the lining of your small intestine for further study. Doctors call this a biopsy.
Endoscopy takes about 15 minutes and you can get it done in a doctor’s office. To find out if you have celiac disease, you must still be on a diet containing gluten when you get the endoscopy.
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