Laboratory	Test Method	Prenatal	Carrier *
CeGaT GmbH - Tuebingen, Germany	• Sequence analysis of the entire coding region
Centre for DNA Fingerprinting and Diagnostics, Diagnostics Division - Hyderabad, India	• Analyte • Enzyme assay
Greenwood Genetic Center, Metabolic Laboratory - Greenwood, SC, USA	• Analyte • Enzyme assay
Greenwood Genetic Center, Molecular Diagnostic Laboratory - Greenwood, SC, USA	• Sequence analysis of the entire coding region
Mayo Clinic - Minnesota, Biochemical Genetics Laboratory - Rochester, MN, USA	• Enzyme assay
SA Pathology - Women's and Children's Hospital, National Referral Laboratory - North Adelaide, Australia	• Analyte • Enzyme assay
Sahlgrenska University Hospital, Clinical Neurochemistry Laboratory - Mölndal, Sweden	• Analyte • Enzyme assay
Thomas Jefferson University, Lysosomal Diseases Testing Laboratory - Philadelphia, PA, USA	• Enzyme assay

^* Carrier column is relevant to autosomal recessive and X-linked inheritance; column will be blank when it is not relevant (e.g. autosomal dominant inheritance, microdeletions/duplications) and/or is not offered by the lab.