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Southlake’s COVID-19 Assessment Centre

Southlake’s COVID-19 Assessment Centre location
22 Prospect Street
Newmarket, Ontario

Assessment Centre Hours
8 a.m. – 8 p.m.
7 days a week

Your results will be available to you via the Ontario Health.

Who are we testing?

As per Ontario Government guidelines for COVID-19 testing, effective December 31, PCR testing at Southlake’s Assessment Centre will only be available for:

  • High-risk individuals who are symptomatic and/or are at risk of severe illness from COVID-19, including for the purposes of confirming a COVID-19 diagnosis to begin treatment;
  • workers and residents in the highest risk settings;
  • vulnerable populations.

A full list of eligible individuals can be found here.

According to the latest guidance from the Ministry of Health, members of the general public with mild symptoms are asked not to seek testing. Most individuals with a positive result from a rapid antigen test will no longer be required or encouraged to get a confirmatory PCR or rapid molecular test. Individuals with COVID-19 who are vaccinated, as well as children under 12, will be required to isolate for five days following the onset of symptoms. Individuals who are unvaccinated, partially vaccinated or immunocompromised will be required to isolate for 10 days. For more information, click here.

  • Our Assessment Centre will not be testing patients who do not meet the above criteria. The Assessment Centre does not do travel swabs.
  • Southlake’s Emergency Department is experiencing a high number of people wanting a COVID-19 test. Please note the Emergency Department is not a testing centre and we need to focus on patients who need emergency care.
  • All COVID-19 testing will be done by appointment only. Walk-in COVID tests are not available. Please ensure you bring your Health Card, Driver’s License or other form of ID to your appointment. Please do not arrive more than 10 minutes before your scheduled appointment.
  • Please do not seek testing at multiple COVID-19 assessment centres as this will result in delayed access and delayed test results for all. If you have already booked an appointment at an assessment centre and can no longer make it, please cancel and rebook your time so others who need a test can be seen.

Book an appointment online for a COVID-19 test

If there are no appointments available at this site please click here for a list of other locations where you can book your test. Please note that COVID-19 testing takes place at the Assessment Centre (22 Prospect St.) not the Emergency Department. 

Note: Appointments are only scheduled at most three days in advance. If you do not see any appointment times this means there are currently none available. The cut-off to book online is 4 hours before the scheduled appointment. In some situations, we are required to call a patient back for additional information.

If you are having difficulties booking online please call 905-895-4521 ext 2162 between the hours of 9 a.m. and 5 p.m.

What to expect when getting tested

To help with physical distancing, please do not arrive too early. Aim to arrive only 5 to 10 minutes before your appointment. There is limited free parking on site at 22 Prospect Street, or you can park in the hospital’s garage across the street. Due to volume, you may need to wait outside. Please be prepared for this and dress appropriately for the weather.

Please be sure to have your health card ready and two pieces of ID (your health card can be one of these) and arrive wearing a mask.

What happens at the Assessment Centre?

Patients who come to the Assessment Centre will be assessed on arrival, given a mask (if they are not already wearing one), and will be instructed to wait in a physically distanced line. Patients will be swabbed and the sample sent for processing. While awaiting results, patients will be given instructions on how to self-isolate at home.

How can I be seen at the Assessment Centre

Please click here to make an appointment online to be tested at Southlake’s Assessment Centre. Once you have an appointment time, please come to Southlake’s Assessment Centre at 22 Prospect Street, Newmarket, ON. Please wear a mask, bring your health card with you and one other piece of ID. 

If I am tested at the Assessment Centre, how will I find out the results?

Public Health will ONLY contact you to inform you of a POSITIVE result and will provide any other necessary information. Please note that results can take up to five days, depending on the number of patients being tested. Hospital staff are not authorized to release test results over the phone/text. Please do not call the hospital to ask for your test results.

COVID-19 test results are available on the Province’s website as they are received, both positive and negative. Results may take up to five days.

If I am tested, how long will it take to get the results?

This will vary depending on the number of tests being performed. Patients who are symptomatic will be advised to remain at home in self-isolation pending the results of their test.

Know the difference: self-monitoring, self-isolation and isolation for COVID-19