Gastrointestinal and Pulmonary
Gastrin, serum
0-180 pg/mL (0-180 ng/L)
Stool fat
less than 5 g/d on a 100-g fat diet
Stool weight
less than 200 g/d
Pulmonary
Forced expiratory volume in 1 second (FEV1)
greater than 80% of predicted
Forced vital capacity (FVC)
greater than 80% of predicted
FEV1/FVC
greater than 75%