A member asked:

If test for cystic fibrosis came back boderline how do you know if he does have it?

6 doctors weighed in across 2 answers

Clinical course: If any test fo CF is borderline including sweat chloride, the subsequent clinical course will point to the correct dx.

Answered 3/16/2017

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Dr. HARRY OPSIMOS answered

Specializes in Pediatric Pulmonology

Monitoring: Careful monitoring will be needed, by an experienced CF physician. The sweat chloride testing is used in combination with other tests, and with history taking and a clinical exam, to make a diagnosis. The sweat chloride testing is often repeated more than once.

Answered 6/10/2014

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