How is CF diagnosed?

Diagnosing cystic fibrosis is a multistep process, and should include a newborn screening, a sweat test, a genetic or carrier test, and a clinical evaluation at a CF Foundation-accredited care center. Although most people are diagnosed with CF by the age of 2, some are diagnosed as adults. A CF specialist can order a sweat test and recommend additional testing to confirm a CF diagnosis. These are some test that can be done:

According to the Cystic Fibrosis Foundation Patient Registry in the United States , many have been diagnosed with CF: