Proficiency Testing/EQA / 2022 Surveys / Endocrinology Help Please log in to determine if you are eligible to purchase PT Programs. 2ND TRIMESTER MATERNAL SCREENING - FP 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 Alpha‑fetoprotein (AFP), amniotic fluid 2 Three shipments per year Alpha‑fetoprotein (AFP), serum 5 Dimeric inhibin A (DIA) 5 Estriol, unconjugated (uE3) 5 Human chorionic gonadotropin (hCG), quantitative 5 The CAP designed these programs for laboratories using AFP and hCG for prenatal screening purposes only. For all other applications, see program K or KK. Program Information Five 1.0‑mL serum specimens; two 1.0‑mL simulated amniotic fluid specimens Conventional and International System of Units (SI) reporting offered Shipping Schedule Shipment A: March 14 Shipment B: August 1 Shipment C: November 7 Guest Log in/Register Customers Who Bought This Item Also Bought NON-INVASIVE PRENATAL TESTING VIEW DETAILS >