Doctor insights on:
Urine Test For Celiac Disease
In Celiac disease the body reacts to gluten (in wheat and gluten like proteins in rye and barley) in the small intestine causing damage. This limits the intestine's ability to absorb some nutrients. Classically people have loose stool, bloating, and abdominal discomfort but more often are just found when screened for other reasons (like symptoms of a nutritional deficiency like ...Read more
Antibody blood test : The definitive test is intestinal endoscopy with duodenal biopsy but screening for celiac disease aka gluten enteropathy is by a blood test for antibodies associated with the disease - ttg-a & ttg-g. Serum IgA is also obtained. If the patient has not been on gluten for a while antibody levels often fall into the normal range. ...Read more
Celiac diagnosis: The age at which you suspect the diagnosis. You test whenever the symptoms occur and are consistent with possible celiac disease. I know of people who have been diagnosed in early childhood and at advanced ages. The oldest person I have seen diagnosed and successfully controlled with diet was my own mother, who i always assumed had been tested decades ago. Just shows we need to think of it more. ...Read more
Any age: Any age after six months, depending on the clinical picture. ...Read more
What precautions should one take in the days before getting a test for celiac disease/gluten intolerance to avoid a false positive/false negative?
More soft tissue: It causes more of a generalized aching than true joint pain. Testing is controversial. There are specific tests for antibodies present in celiac disease but there also appears to be people who have true gluten sensitivity and have negative blood tests. The true test is a trial of a gluten free diet. ...Read moreSee 1 more doctor answer
Is it okay to be already on a gluten free diet when you go for blood work to test for celiac disease?
Yes : Yes . If you are having symptoms then your Pcp can order a screening blood test to chk levels of antibodies which are high in celiac disease. They are endomysial and tissue transglutaminase antibody.if these are high then a referral to a gastroenterologist is needed for biopsy of the intestine. ...Read moreSee 1 more doctor answer
Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more
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