A member asked:

How do they diagnose cf in baby?

4 doctors weighed in across 2 answers

Sweat Test: CF children have incresed amount of chloride in their secretions which can be measured in sweat. Also bloodwork work and genetic testing.

Answered 6/10/2014

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Newborn screening: All states now screen newborn infants for cf. However, not all infants identified by newborn screening will have cf, many will only be carriers of the CF gene. Diagnosis of CF requires confirmation at a CF center by sweat testing or genetic analysis.

Answered 9/12/2015

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