Licensure, Certification, or Registration Requirements for continued employment: Current Certification as a Medical Technologist (MT) or Medical Laboratory Scientist (MLS) by the American Society for Clinical Pathology (ASCP) or Clinical Laboratory Scientist (CLS) by the National Credentialing Agency (NCA) or American Medical Technologists (AMT) National Certifying Agency or equivalent ASCP categorical certification. Licensure, Certification, or Registration Requirements for Hire: Current Certification as a Medical Technologist (MT) or Medical Laboratory Scientist (MLS) by the American Society for Clinical Pathology (ASCP) or Clinical Laboratory Scientist (CLS) by the National Credentialing Agency (NCA) or American Medical Technologists (AMT) National Certifying Agency or equivalent ASCP categorical certification.