Laboratory	Test Method	Prenatal	Carrier *
Centre de Biologie Est - Hospices Civils de Lyon, Maladies hrditaires du mtabolisme - Bron cedex, France	• Sequence analysis of the entire coding region • 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.