Autism diagnostic assessments are OHIP-covered when conducted through Ontario's 5 regional diagnostic hubs, hospital-based developmental clinics, or participating community agencies. Wait times for OHIP-covered assessments are typically 12-24 months. Private autism assessments through registered psychologists cost $2,500-$5,000 with wait times of 2-8 weeks.
Start with the short answer, then reveal deeper context where helpful.
Ontario has 5 regional diagnostic hubs (serving the province by catchment area) plus hospital-based developmental pediatric clinics that provide OHIP-covered autism assessments. Referrals typically come from the child's pediatrician or family physician.
Private assessments through a registered psychologist (regulated by the College of Psychologists of Ontario) typically cost $2,500-$5,000 and can be scheduled within 2-8 weeks. The private assessment is accepted for OAP registration just as an OHIP-covered assessment would be.
Ontario has 5 regional diagnostic hubs (serving the province by catchment area) plus hospital-based developmental pediatric clinics that provide OHIP-covered autism assessments. Referrals typically come from the child's pediatrician or family physician.
Wait times for OHIP-covered assessments vary by region: 12-18 months in urban centres, up to 24 months in Northern Ontario. Some community agencies also offer assessments at no cost, funded through provincial transfer payments.
Private assessments through a registered psychologist (regulated by the College of Psychologists of Ontario) typically cost $2,500-$5,000 and can be scheduled within 2-8 weeks. The private assessment is accepted for OAP registration just as an OHIP-covered assessment would be.
Some private insurance plans cover a portion of psychological assessment costs. The out-of-pocket amount is also claimable as a medical expense on your tax return.
MCCSS
OAP Diagnostic Assessment Pathways (ontario.ca, 2024)
CPO
College of Psychologists of Ontario, Practice Guidelines for Autism Assessment
In Ontario, autism can be diagnosed by psychologists, developmental pediatricians, psychiatrists, and some pediatricians. Learn the pathways and costs.
A comprehensive autism assessment includes developmental history, standardized testing (ADOS-2, ADI-R), cognitive assessment, and clinical observation.
Commitment to Accuracy: Our data is verified against official government reports (FAO, MCCSS), peer-reviewed scientific literature, and accessible public records. Last updated: March 24, 2026.
Verified Facts
Evidence supports autism screening and intervention commencing in the first 2 years of life — earlier identification directly enables earlier intervention during the highest neural plasticity window
1 in 50, According to the 2019 Canadian Health Survey on Children and Youth, about children and youth aged 1 to 17 in Canada had an autism diagnosis
WHO recommends accessible, community-based early interventions for children with autism — timely evidence-based psychosocial interventions improve communication and social engagement
88,175, children are registered in the Ontario Autism Program
23.4%, Only 20,666 children have active funding agreements () — less than one in four