GeneTests www.genetests.org Baylor College of Medicine Medical Genetics Laboratory 2450 Holcombe Houston, TX 77021-2024 Phone: 713-798-6555 800-411-GENE Fax: 713-798-6884 www.bcm.edu/geneticlabs Emory University Lysosomal Storage Disease Lab 2165 N Decatur Road Decatur, GA 30033 Phone: 404-778-8565 800-200-1524 Fax: 404-778-8559 www.genetics.web.emory.edu/eg/ Genzyme Genetics Phone: 800-357-5744 Fax: 508-389-5577 www.genzymegenetics.com Greenwood Genetics Center Metabolic Laboratory 101 Gregor Mendel Circle Greenwood, SC 29646 Phone: 864-941-8100 888-GGC-GENE Fax: 864-941-8133 www.ggc.org

Massachusetts General Hospital Neurogenetics DNA Diagnostic Laboratory CRP Building North 5th Floor, Suite 5240 185 Cambridge Street Boston, MA 02114 Phone: 617-726-5721 Fax: 617-724-9620  Mayo Clinic Biochemical Genetics Laboratory Phone: 800-533-1710 Fax: 507-284-4542 http://www.mayoclinic.org/laboratorygenetics-rst/biochemical.html New York University School of Medicine NYU at Rivergate Phone: 212-263-8344 Fax: 212-263-1018 Oregon Health and Science University Biochemical Genetics Laboratory Portland, OR Phone: 503-494-2404 Fax: 503-494-6922 http://www.ohsu.edu/health/page.cfm?id=10309 Thomas Jefferson University Lysosomal Diseases Testing Laboratory 1020 Locust St., Room 394 Philadelphia, PA 19107 Phone: 215-955-4923 Fax: 215-955-9554 www.tju.edu/lysolab/ Women & Children's Hospital of Buffalo Robert Guthrie Biochemical Genetics Laboratory Buffalo, NY Phone: 716-888-1379 Fax: 716-888-1371 www.rgbgl.org