Proficiency Testing/EQA / 2024 Surveys / Histocompatibility Help Please log in to determine if you are eligible to purchase PT Programs. CLASS I & II HLA MOLECULAR TYPING - DML Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS). Procedure Challenges per Shipment Number of Shipments Molecular HLA‑A, ‑B, and ‑C typing (Class I) 5 Two shipments per year Molecular HLA‑DR, ‑DQ, and ‑DP typing (Class II) 5 Program Information Five 2.0-mL whole blood specimens in CPD or CPD‑A Serologic equivalents reporting available Shipping Schedule Shipment A: March 12 Shipment B: September 24 Guest Log in/Register