Proficiency Testing/EQA / 2022 Surveys / Immunology and Flow Cytometry / Flow Cytometry Help Please log in to determine if you are eligible to purchase PT Programs. RARE FLOW ANTIGEN VALIDATION, CD1A - RFAV1 Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS). Analyte Challenges per Shipment Number of Shipments CD1a 1 Two shipments per year Program RFAV1 does not meet the regulatory requirements for proficiency testing. Additional Information This program meets the CAP Accreditation Checklist item FLO.23737, which requires semiannual testing of antigens. Program Information One 1.1‑mL cell line specimen RFAV1 and RFAV3 have stability of two days or less. The CAP cannot guarantee performance or offer credits for orders placed for shipment outside of the US and Canada. Shipping Schedule Shipment A: April 19 Shipment B: October 18 Guest Log in/Register Customers Who Bought This Item Also Bought GRAM STAIN BENCHTOP REFERENCE GUIDE VIEW DETAILS > RARE FLOW ANTIGEN VALIDATION, CD30 VIEW DETAILS >