Help Please log in to determine if you are eligible to purchase PT Programs. HCG, SERUM - HCG 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 hCG, serum, qualitative/ quantitative 5 Three shipments per year Program Information Five 1.0‑mL serum specimens Conventional and International System of Units (SI) reporting offered Shipping Schedule Shipment A: March 22 Shipment B: August 16 Shipment C: November 15 Guest Log in/Register