Health care transition: destinations unknown.

The movement of young adults with special health care needs from pediatric-oriented care to adult-oriented care has been a growing concern in the health care literature over the past 20 years. This article reviews the development and evaluation of health care transition policy over that period of time. These health care transition policies are discussed in light of the preliminary results from a qualitative study of the experience of health care transition. This article concludes with suggestions regarding future policy development and research efforts around health care transition.