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Proficiency Testing/EQA / 2027 Surveys / Anatomic Pathology /
Surgical Pathology

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CAP/NSH HISTOQIP CELL BLOCK PREP PROGRAM - HQCLB
 HQCLB


Stain/Tissue Challenges/
Shipment A		 Challenges/
Shipment B		 Number of Shipments
H&E - Pleural fluid containing metastatic carcinoma 1 Two shipments per year
IHC - TTF-1, pleural fluid containing metastatic carcinoma 1
H&E - Metastatic carcinoma lymph node FNA 1
IHC - p40 or p63, metastatic carcinoma lymph node FNA 1
H&E - Lung mass adenocarcinoma FNA 1
IHC - Napsin A, lung mass adenocarcinoma FNA 1
H&E - Metastatic Peritoneal fluid containing metastatic carcinoma 1
IHC - PAX8, Peritoneal fluid containing metastatic carcinoma 1

This program augments efforts to improve the preparation of H&E and immunohistochemical slides in anatomic pathology and cytopathology laboratories that handle cell block preparations. Participants receive laboratory-specific evaluations and participant summaries with peer comparison data.


Program Information

  • Participants may submit up to four H&E stained coverslipped glass slides from the list of challenges per mailing.

Shipping Schedule

  • Shipment A: January 19
  • Shipment B: June 14

NSH





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