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HLA AB SCREEN, ID, XM WITH EXTRA PLASMA - MXEP
MXEP
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 (Class I/ Class II) 5 Two shipments per year
Antibody identification (Class I/Class II) 5
Crossmatching (T-cell/B-cell) 5

Additional Information

Program MXEP combines program MXC and the former program MXE but with more plasma.

Program Information

  • Five 0.4-mL plasma specimens in duplicate (0.8mL total plasma); two (approximately 7-8 x 106 cells) purified blood lymphocyte specimens (intended for laboratories that require extra plasma volume for antibody identification)
  • Two shipments per year

Shipping Schedule

  • Shipment A: May 6
  • Shipment B: October 21






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