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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Proficiency Testing/EQA

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HLA ANTIBODY SCREEN & ID (CLASS I) - MX1E

MX1E

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

Antibody screen	3	Three shipments per year
Antibody identification	3	Three shipments per year

Additional Information

Blood donor screening is now a reporting option for antibody screening results. This change covers the use of HLA testing in blood centers/hospital laboratories for the purpose of donor qualification.

Program Information

Three 0.25‑mL plasma specimens; must be ordered in conjunction with Survey MX1B or MX1C

Shipping Schedule

Shipment A: January 28
Shipment B: May 19
Shipment C: October 20

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