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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 online slide review 10 Two online activities per year
ER online slide review 10

Additional Information

  • HER2 and ER Immunohistochemistry Interpretation Only is an exercise and is not considered proficiency testing.
  • This program is for laboratories that perform interpretation only for HER2 and ER for breast cancer and may be used to meet the requirements for alternative performance assessment.
  • For laboratories that perform both staining and interpretation for HER2 and ER for breast cancer under the same CLIA number, see program HER2.

Program Information

  • Ten online whole slide images for HER2 by IHC interpretation only
  • Ten online whole slide images for ER by IHC interpretation only
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  • Your CAP shipping contact will be notified via email when the activity is available

Shipping Schedule

  • Shipment A: April 1
  • Shipment B: October 21