Information about Wheat and Gluten Intolerance

How many tubes of blood to test for Celiac?

Melanie K asked:

How many tubes of blood should be drawn for a lab slip that orders “Celiac comprehensive?”

Is an endoscopy completely necessary in diagnosing Celiac disease?

sarah lane asked:

My doctor suggested an endscopy to identify if my toddler has Celiac disease. Is this invasive procedure completely necessary?
She has already had a blood test, which suggested she has Celiac.