Tool: Modified Checklist for Autism in Toddlers, Revised with Follow-Up (M-CHAT-R/F)

The Modified Checklist for Autism in Toddlers — Revised, with Follow-Up (M-CHAT-R/F) — is a free, two-step screening tool used to detect children likely to have autism. It is intended for use at regular well-child checkups for children 16 to 30 months old. With the M-CHAT-R/F, health care providers can classify a child’s risk of having autism as low, medium or high, on the basis of parents’ answers to 20 questions. The free tool is available online in more than 45 languages.

View the Tool – Modified Checklist for Autism in Toddlers, Revised with Follow-Up (M-CHAT-R/F)