Proficiency Testing/EQA / Transfusion Medicine Viral Markers and Parentage Testing / Transfusion Medicine Help Please log in to determine if you are eligible to purchase PT Programs. STEM CELL PROCESSING - SCP Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS). Procedure Challenges/Shipment Number of Shipments Absolute CD3 2 Two shipments per year Absolute CD34 2 Bacterial culture 2 %CD3+ 2 %CD34+ 2 %CD45+ 2 CFU-GM 2 Total CFC 2 Fungal culture 2 Hematocrit 2 Hemoglobin 2 Mononuclear cell count 2 Number of CD34 positive events 2 Number of CD45 positive events 2 Total nucleated cells 2 Viability 2 WBC count 2 Additional Information Because these materials are human donor‑based, the ship date is subject to change. If this should occur, notification will be provided prior to the scheduled date. In some instances, the program may ship in two installments. Due to material stability, no replacements will be available. These programs 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. See International Shipping information section in the Ordering Information Supplement regarding additional dangerous goods shipping fees. Program Information Two 3.0‑mL peripheral blood specimens; designed for laboratories that process and assess the suitability of stem cells Shipping Schedule Shipment A: April 4 Shipment B: October 10 Guest Log in/Register