Laboratory	Test Method	Prenatal	Carrier *
Center for Nephrology and Metabolic Disorders, Laboratory for Molecular Diagnostics - Weisswasser, Germany	• Sequence analysis of the entire coding region
Johns Hopkins Hospital, DNA Diagnostic Laboratory - Baltimore, MD, USA	• Methylation analysis
Klinikum Stuttgart, Institute of Clinical Genetics - Stuttgart, Germany	• Sequence analysis of the entire coding region

^* 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.