Proficiency Testing/EQA / 2024 Surveys / Transfusion Medicine Viral Markers and Parentage Testing / Viral Markers Help Please log in to determine if you are eligible to purchase PT Programs. ANTI-HIV 1/2 - AHIV Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS). Analyte/Procedure Challenges/Shipment Number of Shipments Anti‑HIV‑1, Anti‑HIV‑2, Anti‑HIV‑1/2 5 Three shipments per year Program Information Five 0.5‑mL plasma specimens Shipping Schedule Shipment A: March 25 Shipment B: August 5 Shipment C: November 18 Guest Log in/Register