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Navigating the diagnostic system in Peel Region. Accessing OHIP-covered assessments at ErinoakKids or finding a private clinic.
ErinoakKids Wait
Per ErinoakKids 2024 intake data
Private Cost
Private Wait
ErinoakKids is Ontario's largest children's treatment centre, serving Mississauga, Brampton, and the broader Peel Region. They are the primary hub for OHIP-covered autism diagnostic services in the area.
1230 Central Pkwy W, Mississauga, ON L5C 0A4
A physician or pediatrician referral is necessary to get on the waitlist.
Peel Region has one of the highest concentrations of children waiting for OAP services. The diagnostic waitlist at ErinoakKids typically exceeds 1.5 years.
To skip the 2-year wait, many Mississauga families opt for private assessment. This allows you to register with the OAP and start your "seniority clock" immediately.
Standard for a full clinical psychological assessment including ADOS-2 testing.
Most local clinics book appointments within 1-2 months of initial contact.
This page is part of the Regional Information topic cluster. Location-specific resources and data.
Commitment to Accuracy: Our data is independently verified against official government reports (FAO, MCCSS), peer-reviewed scientific literature, and accessible public records. Last updated: February 1, 2026.
Last reviewed: December 2026
Last reviewed: December 2026
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