What is the purpose of the M-CHAT-R/F in pediatric screening?

• A. Assess language development in toddlers
• B. Evaluate gross motor milestones
• C. Screen for autism risk in toddlers
• D. Screen for vision problems

Answer: (C)

The M-CHAT-R/F is designed to screen for autism risk in toddlers by asking parents about their child’s social-communication behaviors and related developmental concerns. It’s a screening tool, not a diagnostic test, used to identify children who may have autism spectrum disorder and who should receive a full developmental evaluation. The “R” is the revised short form, and the “F” stands for a follow-up interview that is used if initial responses indicate potential risk. The follow-up helps clarify answers and reduce false positives, making the screening more accurate. It’s typically administered during well-child visits around 18 to 24 months (and may be used up to about 30 months). If the screen flags potential autism, a referral for comprehensive diagnostic assessment and early intervention planning follows.