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GASTRIC HER2 - GHER2
GHER2
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
HER2 10 Two shipments per year

Additional Information

  • The Gastric HER2 program fulfills the proficiency testing requirement stated in the CAP/ASCP/ASCO Gastroesophageal HER2 Testing Guideline.
  • The interpretive criteria for HER2 immunohistochemistry performed on gastroesophageal adenocarcinomas differs significantly from breast carcinoma. The GHER2 program will help participating laboratories understand these differences.

Program Information

  • One 10‑core tissue microarray slide

Shipping Schedule

  • Shipment A: April 2
  • Shipment B: August 12






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