ASCP-Blood Banking Technologist (ASCP-BB), ASCP-Chemistry Technologist (ASCP-C), ASCP-Cytogenetics Technologist (ASCP-CG), ASCP-Cytologist (ASCP-CT), ASCP-Hematology Technologist (ASCP-H), ASCP-International Hematology Tech (ASCP-IH), ASCP-Microbiology Technologist (ASCP-M), Molecular Biology Technologist (ASCP-MB), ASCP-Blood Banking Specialist (ASCP-SBB), ASCP-Chemistry Specialist (ASCP-SC), ASCP-Hematology Specialist (ASCP-SH), ASCP-Microbiology Specialist (ASCP-SM): Must have one certification from one of these issuing agencies: American Board of Histocompatibility (ABHI). Cert Histocompatibility Spec (CHS-ABHI), Cert Histocompatibility Techno (CHT-ABHI), Clinical Laboratory Scientist (CLS), HEW (HEW), Medical Laboratory Scientist (MLS), Medical Technologist (MT), Specialist in Cytology-ASCP (SCT), Specialist in Cytometry-ASCP (SCYM), Molecular Biology Spec-ASCP (SMB).