CSF	Cerebrospinal Fluid
DBS	Dried Blood Spot
GAG	Glycosaminoglycans
GC-MS	Gas Chromatography-coupled Mass Spectrometry
IEM	Inborn Errors of Metabolism
LC-ESI	Liquid Chromatography-Electrospray Ionisation
MS/MS	Tandem Mass Spectrometry
MALDI-TOF	Matrix-Assisted Laser Desorption/Ionisation-Time Of Flight
MPS	Mucopolysaccharidoses
NBS	Newborn Screening
NGS	Next Generation Sequencing
PKU	Phenylketonuria
TLC	Thin Layer Chromatography
VLCFA	Very-Long-Chain Fatty Acids
VUS	Variants of Uncertain Significance