Laboratory	Test Method	Prenatal	Carrier *
CeGaT GmbH - Tuebingen, Germany	• Sequence analysis of the entire coding region
Centogene AG, Rare Disease Company - Rostock, Germany	• Sequence analysis of the entire coding region
GeneDx - Gaithersburg, MD, USA	• Sequence analysis of the entire coding region • Deletion/duplication analysis
Laboratory for Molecular Diagnostics, Labor-MVZ Westmecklenburg - Schwerin, Germany	• Sequence analysis of the entire coding region
Netherlands Institute for Neuroscience, Molecular Ophthalmogenetics Laboratory - Amsterdam, Netherlands	• Sequence analysis of the entire coding region
Oregon Health and Science University, Casey Eye Institute Molecular Diagnostic Laboratory - Portland, OR, USA	• Sequence analysis of the entire coding region • Deletion/duplication analysis
University of California-San Diego, Ophthalmic Molecular Diagnostic Laboratory - La Jolla, CA, USA	• Sequence analysis of the entire coding region
University of Iowa, John and Marcia Carver Nonprofit Genetic Testing Laboratory - Iowa City, IA, USA	• Targeted mutation 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.