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How Typical Are False Positives On Cystic Fibrosis Tests
Not Typical: Certain rare conditions can also lead to high sweat chloride levels (the gold standard test for cystic fibrosis). However, these rare conditions (there's a list) will cause the patient to exhibit different symptoms than those consistent with cystic fibrosis, so the sweat chloride test is considered to be reliable in diagnosing CF in conjunction with the patient's history and physical exam. ...Read moreSee 1 more doctor answer
As high as 15%: The sweat chloride test is still the gold standard diagnostic test for cystic fibrosis. The accuracy of this test is highly dependent on the method used and the lab it is performed in. I only trust a result that is performed in a center that is certified by the cystic fibrosis foundation. Some reasons for false positives include: lab error, malnutrition, & eczema. ...Read more
Depends on test: Depending on the original test that was performed, it is unlikely that a diagnosis of CF will be made later in life. Most of the testing that is done today is highly accurate. If you are referring to yourself, at age 31, if the diagnosis of CF has not yet been made, and you have been relatively healthy all of your life, i would say it is unlikely you have it. ...Read more
Can you tell me what heterozygous 57 have to do with the chances of being cystic fibrosis positive?
Cystic fibrosis: This is a start. http://www.cff.org/AboutCF/Testing/Genetics/GeneticCarrierTest/ also your ObGyn and/or a genetics specialist can help explain. ...Read more
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