Proficiency Testing/EQA / 2024 Surveys / Histocompatibility Help Please log in to determine if you are eligible to purchase PT Programs. ANTIBODY TITER-AUTOMATED - AABT Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS). Procedure Challenges/Shipment Number of Shipments Anti-A titer 1 Two shipments per year Anti-D titer 1 Program Information One 2.0-mL specimen for anti-A titer; one 2.0-mL specimen for anti-D titer Shipping Schedule Shipment A: May 28 Shipment B: October 21 Guest Log in/Register Customers Who Bought This Item Also Bought ANTIBODY TITER, ANTI-A AND ANTI-D VIEW DETAILS >