The intervention group will receive more guidance during their transition from a pediatric center to the adult center

The usual care group will receive a standard transfer of care from a pediatric center to an adult center.

Educational Modules, staff follow up.

Investigators hypothesize that by the end of the 3 month transition program and 6 months of follow-up, 84% of patients will be retained; 80% will participate in the program (module completion, discussion, and follow-up); and 100% will complete at least 80% of the survey instruments at each data collection point.

The following patient level outcomes will be measured:

1. At 3 months post intervention and 6 months follow-up, emerging adult heart transplant recipients who participate in TRANSIT will have lower CNI SD (i.e., SD <2.5 for tacrolimus and cyclosporine), than patients who receive usual care.
2. At 3 months post intervention and 6 months follow-up, emerging adult heart transplant recipients who participate in TRANSIT will have a higher percentage of CNI levels within the target range (i.e., < 50% of CNI blood levels out of target range for individual patients as reported by their transplant center), better self-reported adherence to the medical regimen, and fewer episodes of treated acute rejection, than patients who receive usual care.
3. At 3 months post intervention and 6 months follow-up, emerging adult heart transplant recipients who participate in TRANSIT then patients who receive usual care.