Sweat Chloride Test
Also known as: Sweat test; iontophoretic sweat test
Related tests: Immunoreactive trypsin (IRT); CF gene mutation
At a Glance
Why Get Tested?
To diagnose cystic fibrosis (CF)
When to Get Tested?
When a newborn or infant has symptoms that suggest cystic fibrosis, such as frequent respiratory infections and chronic cough, persistent diarrhoea, foul-smelling bulky greasy stools, and malnutrition; and as a follow-up, confirmatory test to help diagnose CF
Sample Required?
A sweat sample collected using a special sweat stimulation procedure
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