Proficiency Testing/EQA / 2024 Surveys / Hematology and Clinical Microscopy / Clinical Microscopy Help Please log in to determine if you are eligible to purchase PT Programs. URINE HEMOSIDERIN, PRUSSIAN BLUE - SCM1 Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS). Analyte/Procedure Challenges per Shipment Number of Shipments Urine hemosiderin, Prussian blue 3 Two shipments per year Program Information Three images, each available as photographs and online images Shipping Schedule Shipment A: March 11 Shipment B: November 4 Guest Log in/Register