ARMS	Amplification-Refractory Mutation System
CF	Cystic Fibrosis
CFTR	Cystic fibrosis transmembrane conductance regulator
CFSPID	Cystic fibrosis screen positive with an inconclusive diagnosis
DBS	dry blood spots
FE	fecal elastase
IRT	Immunoreactive trypsinogen
NB	newborn
NBS	Newborn screening
PAP	Pancreatitis associated protein
PI	pancreatic insufficient
PS	pancreatic sufficient
SCT	Sweat chloride (Cl−) test
PPV	Positive predictive value