Help Please log in to determine if you are eligible to purchase PT Programs. SEMEN ANALYSIS - PV Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS). Procedure Challenges/ Shipment Number of Shipments Postvasectomy sperm count & presence/absence 2 Two shipments per year Samples Shipping Schedule PV ‑ Two 0.3‑mL stabilized human sperm specimens with counts appropriate for postvasectomy testing Shipment A: April 18 Shipment B: October 24 Guest Log in/Register