Primary Care Quality Improvement Through Patient-Centered Medical Homes and the Impact on Emergency Department Utilization for Children With Autism and Mental Health Disorders.

Primary care quality improvement through access to a PCMH reduced ED visits for children, but the effect varied by autism and MHD conditions. Future PCMH efforts should continue to support children with autism and address unmet needs for children with MHDs with a focus on needed care coordination, family-centered care, and referrals.