CYSTIC FIBROSIS (CF) TESTING UPDATE

The diagnosis of CF is made in individuals with one or more clinical features of CF who have either an elevated sweat chloride concentration on two or more occasions or have CF-causing mutations in the CFTR gene. False positive and false negative sweat tests do occur. An inconclusive CFTR mutation screen does not rule out the diagnosis of CF. IRT is a screening test that must be confirmed

Cystic Fibrosis

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