Pediatrics Cutoff value of sweat chloride values above which 2 consistantly higher reading is diagnostic for Cystic fibrosis is A 40 mEq / L B 50 mEq / L C 60 mEq / L D 70 mEq / L 💡 Explanation Cutoff value of sweat chloride values above which 2 consistantly higher reading is diagnostic for Cystic fibrosis is ✓ Correct Answer: C. 60 mEq / L