removed G542, R553X, 1717-1G>A, 621+1G>T, R1162X, 3120+1G>A, 1898+1G>A, 3659delC, 2184delA. Variants have no recommendation but are part of the variants recommended by the American College of Medical Genetics (ACMG) Cystic Fibrosis Carrier Screening Working Group that should be tested to determine carrier status as a part of population screening programs PMID 15371902.