Northern Plains Laboratory, LLC
ARUP Consult: Physician laboratory testing guide
College of American Pathologists
American Society of Clinical Pathology
Center for Medicare and Medicaid Services (CMS):
National Library of Medicine/Pubmed
Patient information about diagnoses
Patient information about laboratory tests
American Cancer Society
Center for Disease Control and Prevention/National Center for Infectious Diseases
Mayo Clinic
American Society for Colposcopy and Cervical Pathology (ASCCP)