About Us

The Canadian Pathology Quality Assurance – Assurance qualité canadienne en pathologie (CPQA-AQCP) is a non-profit corporation dedicated to ensuring quality biomarker testing in medical diagnostic laboratories. We provide proficiency testing, as well as assistance with biomarker optimization and validation if we can.

M2 NSCLC Challenge Publication

Results from the second CPQA-AQCP molecular pathology challenge for NSLCL were published in the April 2025 issue of the Journal of Thoracic Oncology Clinical and Research Reports. Congratulations to Dr. Brandon Sheffield, Kassandra Bisson, and the assessment team!

Same look but improved website!

Welcome to the refreshed CPQA-AQCP website! If you encounter any broken links, please email help@cpqa.ca to let us know. Thank you!

TMA Scorer

Looking to enter your results for a CPQA-AQCP survey? Head over to TMA Scorer.

Renew today

Registered participants can sign up for 2026 subscriptions now.

Molecular EQA

Read more about the CPQA-AQCP Molecular Division.

Early bird registration now open for the CPQA-AQCP 2026 Scientific Symposium! This is an in-person event, but hybrid registration is available for the satellite symposium “Testing Struggles in Community, Rural, and Remote Medicine” on Friday, June 5, 2026. More details on the events page!

Program Schedule

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Tentative schedule
	Biomarker	Run No.
December 2025	p53 (vulvar) ER/PR Breast IHC IDH1/ATRX H&E	292 293 294 295
January	Prostate p63/AMACR/HMWCK HMB45	296 297
February	Class I HSV Claudin 18.2 H. pylori	298 299 300
March	NTRK IHC c-Myc (lymphomas) Gastric HER2 ISH	301 302 303
April	Gastric HER2 IHC PD-L1 (technical) BRAFV600E CRC	304 305 306
May	HER2 breast ER/PR Breast IHC H&E	307 308 309
June	MMR ROS1 (technical)	310 311
July	ALK ISH CD117 ALK IHC (lung)	312 313 314
August	CD20 p53 (endometrial) p16 HER2 ISH breast	315 316 317 318
September	Chromogranin A Synaptophysin CK20 Gastric HER2 IHC	319 320 321 322
October	Molecular Survey KI67 breast IDH1/ATRX 1p19q FISH	M5 323 324 325
November	Calretinin PD-L1 (technical) ER/PR breast HER2 breast	326 327 328 329
December	BRAFV600E melanoma p53 (vulvar) PRAME H&E	330 331 332 333