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Genetic tests available Requisitions and forms
Frequently asked questions Sample requirements and shipping
About us
- Our laboratory provides molecular and cytogenetic analysis for a select test menu of disorders affecting children and adults.
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Certified Laboratory Geneticists provide test interpretation and consultation.
- Currently, samples are only accepted from residents of Canada.
The CHEO Genetics Diagnostic Laboratory is licensed by the Ministry of Health and Long-Term Care (MOHLTC) and holds accreditation from Accreditation Canada Diagnostics (ACD). Our cytogenetic section is also approved by the Children’s Oncology Group (COG) in pediatric oncology.
It is under the direction of Cytogeneticists and Molecular Geneticists certified by the Canadian College of
Medical Geneticists (CCMG) or the American College of Medical Genetics and Genomics (ACMG).
It is staffed by technologists who are licensed by the College of Medical Laboratory Technologists of Ontario (CMLTO) and certified Genetic Counsellors.
The CHEO Genetics Diagnostic Laboratory is a partner in Genome-wide Sequencing Ontario (GSO), a pilot implementation for rare disease diagnostics. For more information about GSO or to order genome-wide sequencing, please visit the Genome-wide Sequencing Ontario website.
If after searching our list of genetic tests available, you can’t locate the test you are interested in, it may be offered by other laboratories. Visit the Genetic Testing Registry (GTR) to search for a desired test.
Laboratory updates
Holiday service updates: Dec 23, 2024 to Jan 3, 2025
The Genetics Diagnostic Laboratory will be closed on Wednesday December 25, Thursday December 26 and Wednesday January 1.
On December 24, 27, 31, and January 2-3, bone marrow aspirations, amniocentesis, and CVS procedures requiring cytogenetic or genetic testing should be avoided unless urgent.
Prenatal testing deadlines: amniotic fluid samples received by 1:30 PM on December 23 or 30 will have Rapid Aneuploidy Detection (RAD) reported on December 24 or 31, respectively; samples received after these times will have RAD reported December 31 or January 3. Please consult with the laboratory should there be a need to schedule procedures on any of the days with restricted service.
Normal services resume January 2 for general testing and January 6 for prenatal testing. Contact GLC@cheo.on.ca or 613-737-7600 ext. 3796 for inquiries
Contact us
Genetics Diagnostic Laboratory, CHEO
401 Smyth Road
W3403
Ottawa ON K1H 8L1
Phone: (613) 737-7600 ext. 3796
Fax: (613) 738-4814
Email: GLC@cheo.on.ca
Hours: Monday to Friday: 8:00am-4:30pm