Memos
Bioavailable Testosterone Test Revision
10.05.2026
Effective October 6, 2026, the method for Bioavailable Testosterone & Total Testosterone, Serum testing at St. Michael's Hospital will change from radioimmunoassay (RIA) to liquid chromatography and mass spectrometry with revised reference ranges and test name.
Service Announcements
New LIS System for William Osler Health System
10.02.2026
William Osler Health System will be transitioning to the EPIC Laboratory Information System on October 5, 2026.
Test Interruptions
Acetylcholine Receptor Antibodies by RIPA – Testing Delay and Additional Analysis
09.09.2026
Acetylcholine Receptor Antibodies by RIPA analysis is delayed through September 2026.
Test Updates
Epstein Barr Virus PCR Quantitative, Plasma – Updated Methodology
08.13.2026
Effective immediately, the methodology for Epstein Barr Virus PCR Quantitative, Plasma testing has changed from the Altona method to the Roche Cobas® 6800 platform.
New Test Offerings
New Test: Thiocyanate, Serum/Plasma
08.13.2026
Thiocyanate, Serum/Plasma is now available at University Health Network, Toronto.
Test Updates
UPDATE: Fluoxetine and Metabolite, Serum/Plasma – Change in Methodology
07.24.2026
Following updates to Fluoxetine and Metabolite, Serum/Plasma methodology, please note changes in reference ranges and HL7 order codes.
Test Updates
Vascular Endothelial Growth Factor D (VEGFD), Serum/Plasma – Reference Interval Update
07.16.2026
Effective immediately, Cincinnati Children’s Hospital has transitioned to a new testing platform for Vascular Endothelial Growth Factor D (VEGFD), Serum/Plasma testing.
Test Updates
Neurofilament Light Chain (NfL), Serum/Plasma – Z-score Reporting and Reference Interval Update
06.26.2026
Effective immediately, EORLA (Ottawa Hospital General Campus) will be including Z-scores with all results for Neurofilament Light Chain (NfL), Serum/Plasma in adults.
Test Updates
Fluoxetine and Metabolite, Serum/Plasma – Change in Methodology
06.24.2026
Effective immediately, the methodology has changed to ultra-performance liquid chromatography with tandem mass spectrometry detection.
New Test Offerings
New Test Listing – pTau217 by ECLIA
06.16.2026
ICL now offers two pTau217 assays by two different methodologies: SiMoa and ECLIA.