Diagnostic Clinics in Toronto, Ontario
ClinicFinder lists 14 diagnostic clinics in Toronto. Of these, 14 are open on weekends. Top rated, weighing the rating against the number of reviews: Med-Health Laboratories Ltd. (4.0/5 from 721 Google reviews).
Latest listing check October 2026
Need care outside office hours?
Diagnostic Clinics in Toronto that list evening and weekend hours.
If it is life-threatening, call 911 or go to the nearest emergency department.
About diagnostic clinics in Toronto
ClinicFinder lists 14 diagnostic clinics in Toronto. 14 list Saturday hours and 0 are open on Sundays. The average patient rating is 3.6 out of 5, and 0 clinics are rated 4.5 or higher.
Call ahead if you are unsure about hours, and ask about fees and insurance before your visit.
Other care in Toronto
Clinics and practitioners listed in the city, by type of care.
Diagnostic Clinics nearby
Neighbourhoods and cities around Toronto.
Questions about diagnostic clinics in Toronto
Answers from the listings above and Ontario's health plan.
How do I know if a diagnostic clinic in Toronto is accepting new patients?
Call ahead before you go. Clinics can stop accepting new or walk-in patients before their posted closing time, especially on busy days. The listings above show each clinic's phone number and today's hours, so you can check before making the trip.
Which diagnostic clinic in Toronto has the highest rating?
Among diagnostic clinics in Toronto with at least 10 Google reviews, Med-Health Laboratories Ltd. has the highest rating: 4/5 from 721 Google reviews.
Are there diagnostic clinics open on weekends in Toronto?
Yes. 14 of the 14 listings above that publish their hours are open on Saturday or Sunday. Check each listing for its weekend hours.
Is diagnostic clinic care covered by health insurance in Ontario?
OHIP covers medically necessary physician services at walk-in clinics. Children 17 and under and low-income seniors 65+ may qualify for dental care through provincial programs. Physiotherapy is covered for patients under 20, over 65, or within 12 months of hospital discharge. Full details are on the OHIP page.
Run a clinic in Toronto?
Help more patients find you.
Your clinic is probably already listed. Claim it free to keep your hours and details accurate and earn a Verified badge, or go Featured to appear above the standard ranking in your city's results.