Cutoff value of sweat chloride values above which 2 consistantly higher reading is diagnostic for Cystic fibrosis is
One or more clinical features of Cystic Fibrosis
+
Two consistently > 60 mEq / L Sweat chloride
values is diagnostic of Cystic fibrosis.
40 mEq / L
50 mEq / L
60 mEq / L
70 mEq / L