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Sweat Test

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Also known as: Sweat Electrolytes; Iontophoretic Sweat Test
Formal name: Sweat Chloride

At a Glance

Why Get Tested?

When to Get Tested?

When a person has symptoms that suggest CF; as a follow-up, confirmatory test to help diagnose CF

Sample Required?

A sweat sample collected using a special sweat stimulation procedure

Test Preparation Needed?

None; however, you may be instructed to avoid applying creams or lotions to your skin 24 hours before the test.