Laboratory	Test Method	Prenatal	Carrier *
Baylor College of Medicine, Medical Genetics Laboratories - Houston, TX, USA	• Analyte
Mayo Clinic - Minnesota, Biochemical Genetics Laboratory - Rochester, MN, USA	• Enzyme assay
Stanford Clinical Laboratories, Biochemical Genetics Laboratory - Palo Alto, CA, USA	• Analyte
University Hospitals Case Medical Center, Center for Inherited Disorders of Energy Metabolism - Cleveland, OH, USA	• Analyte • 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.