Parent Molly Myers works with kids to pass out door hangers at the Missouri Capitol while lobbying for legislation mandating that insurance cover therapy for children with developmental disabilities. (Courtesy Robyn Schelp)

After the widespread success of state insurance mandates for autism treatment, a grassroots effort has been underway to do the same for other developmental disabilities. However, some advocates have cautioned that the process of enacting such legislation may inadvertently give insurance companies opportunities to undermine existing autism coverage.