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About
Dennis Ernst

Dennis J. Ernst MT(ASCP), NCPT(NCCT) is an international lecturer and widely published author on phlebotomy. He’s spoken in almost every U.S. state and 11 countries, and has authored over 50 articles and three books. He's chaired the latest revisions of the industry standards promulgated by the Clinical and Laboratory Standards Institute (CLSI), and edits the Phlebotomy Today family of newsletters read monthly by over 14,000 healthcare professionals worldwide. Catherine Ernst, RN, PBT(ASCP)CM is the co-founder and Managing Director of the Center for Phlebotomy Education. Besides speaking at numerous laboratory and nursing seminars, the depth of her experience includes home care, acute care, and nurse management. Her credentials as a registered nurse and certifi ed phlebotomist not only makes her eminently qualifi ed to co-author this reference, but to have also co-authored Phlebotomy For Nurses and the latest version of the CLSI venipuncture standard.