what test to order for disease
When is it ordered? Lyme disease testing is ordered when a person has signs and symptoms suggestive of an infection with Borrelia and lives in or has visited a region where deer ticks, also known as black-legged ticks, are common, especially when the person has recently been bitten by a tick.
Blood tests can help your doctor check for signs of infection or antibodies in your blood. If you have increased levels of white blood cells or platelets in your blood, it may be a sign of infection or inflammation in your body. The inflammation might be caused by Crohnâs disease or other inflammatory conditions.
Blood tests are the first step in diagnosing celiac disease and can help determine the need for further evaluation for confirmation of celiac disease. It is important that patients continue to consume gluten as normal and do not start a gluten-free diet, as this can result in false negative test results.
1 Crohnâs disease is a digestive disorder that can cause a variety of symptoms. 2  Thereâs no single diagnostic test for Crohnâs disease.  Your doctor may use blood tests, stool tests, imaging tests, endoscopy, or biopsies to help diagnose your condition.