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European Directorate for the
Quality of Medicines & HealthCare

List of Blood Proficiency Testing Scheme (B-PTS) for 2023

B-PTS Studies	Date of Shipment
B-PTS068 HBV/HCV/HIV NAT	1^st quarter
B-PTS069 Anti-HCV	2^nd quarter
B-PTS070 HBsAg/Anti-HBc	2^nd quarter
B-PTS071 Anti-Treponema	3^rd quarter
B-PTS072 Anti-HIV/p24	3^rd quarter
B-PTS073 ABO Rhesus, extended phenotyping and irregular antibodies	4^th quarter