Proficiency Testing/EQA / Microbiology / Bacteriology Help Please log in to determine if you are eligible to purchase PT Programs. RAPID UREASE - RUR 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 Urease 3 Two shipments per year Program Information Three simulated gastric biopsy specimens For use with methods such as CLOTEST® Shipping Schedule Shipment A: April 24 Shipment B: August 7 Guest Log in/Register