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Checklist for Autism in Toddlers (CHAT)


The Checklist for Autism in Toddlers (CHAT) is a screening instrument that identifies children who are at risk for social-communication disorders. This tool is a short questionnaire that is completed by the parents and a primary health care worker at the child's 18-month developmental checkup.


Guy's Hospital; University College London; University of Cambridge

Funding Sources

The National Autistic Society

QualityTool Topic



  • Release Date: 01/2000
  • Original Summary: 03/2007
Disclaimer: The inclusion of a tool in the Innovations Exchange does not constitute or imply an endorsement by the U.S. Department of Health and Human Services, the Agency for Healthcare Research and Quality or Westat of the tool or of the submitter or developer of the tool. Read more.
QualityTool Classification
Patient Population:
Patient Care Process:

Last updated: March 07, 2012.