Laboratory	Test Method	Prenatal	Carrier *
CeGaT GmbH - Tuebingen, Germany	• Sequence analysis of the entire coding region
Connective Tissue Gene Tests - Allentown, PA, USA	• Sequence analysis of the entire coding region • Sequence analysis of select exons
Denver Genetic Laboratories, University of Colorado, DNA Diagnostic Laboratory - Aurora, CO, USA	• Sequence analysis of the entire coding region • Sequence analysis of select exons • Deletion/duplication analysis
Johns Hopkins Hospital, DNA Diagnostic Laboratory - Baltimore, MD, USA	• Sequence analysis of select exons

^* 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.