Since 1989, Molecular Pathology Laboratory Network, Inc. (MPLN) has offered an expanding selection of molecular diagnostics and cytogenetic tests and services with a focus on pathology, hematology/ oncology, obstetrics and gynecology, medical genetics, infectious disease, gastroenterology and internal medicine. Headquartered in Maryville, Tennessee, MPLN is a fully licensed laboratory certified by the Clinical Laboratory Improvement Amendment, and accredited by the College of American Pathologists, and the states of Tennessee, Florida, New York and Maryland.