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Proficiency Testing/EQA / 2026 Surveys / Anatomic Pathology /
Immunohistochemistry

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CD117, IHC TISSUE MICROARRAY - PM1
PM1
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
CD117 10 One shipment per year

For ER/PgR testing, see the PM2 program.


Program Information

  • One 10‑core tissue microarray slide per diagnostic marker

Shipping Schedule

  • Shipment A: June 1




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