For more than a year, the ASCP Board of Certification (BOC) has been planning to transition all MT(ASCP) and MT(ASCPi) credentials to MLS(ASCP) and MLS (ASCPi), respectively. The transition will be complete by late 2022. In this same time frame, individuals with the Molecular Pathology, MP(ASCP), credential will transition to Molecular Biology, MB(ASCP). See more at: