Help Please log in to determine if you are eligible to purchase PT Programs. S PNEUMONIAE ANTIGEN DETECTION - SBAS 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 Streptococcus pneumoniae antigen detection 2 Two shipments per year Program Information Two 0.5-mL liquid simulated clinical specimens Shipping Schedule Shipment A: March 1 Shipment B: November 8 Guest Log in/Register