Laboratory	Test Method	Prenatal	Carrier *
Gene Analysis Service - Berlin, Germany	• Sequence analysis of the entire coding region
GeneDx - Gaithersburg, MD, USA	• Sequence analysis of the entire coding region • Deletion/duplication analysis
GENETAQ, Molecular Genetics Centre - Malaga, Spain	• Sequence analysis of the entire coding region
Instituto de Medicina Genmica, IMEGEN - Paterna, Spain	• Sequence analysis of the entire coding region • Sequence analysis of select exons • Deletion/duplication analysis
Netherlands Institute for Neuroscience, Molecular Ophthalmogenetics Laboratory - Amsterdam, Netherlands	• Sequence analysis of the entire coding region • Deletion/duplication analysis
Sheffield Children's NHS Foundation Trust, Sheffield Diagnostic Genetics Service - Sheffield, Great Britain	• Sequence analysis of select exons • Deletion/duplication analysis
Sistemas Genomicos, Medical Genetics Unit - Paterna, Spain	• Sequence analysis of select exons • Deletion/duplication analysis

^* 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.