Due to system upgrades, please note the following. Orders can be placed in the online store but will be fulfilled after 7/14/2025. Learning activities ordered will be available immediately after order placement. CAP is committed to processing orders as quickly and securely as possible during this upgrade. Thank you for your patience.
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2ND TRIMESTER MATERNAL SCREENING - FP
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
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