Welcome to the Access to Quality Testing for Rare Diseases: A National Conference Web site. This successful conference was a collaborative effort of the National Institutes of Health, the Centers for Disease Control and Prevention, the Health Resources and Services Administration, the American Society for Human Genetics, the American College of Medical Genetics, the Genetic Alliance, the Society for Inherited Metabolic Disorders, the National Organization for Rare Disorders, and Emory University Department of Human Genetics to address the growing public need for improvement in availability, accessibility, and quality of genetic and other diagnostic laboratory testing for rare diseases and conditions.