Association of utilization management and treatment plan modifications among practicing U.S. psychiatrists.

Objective: This study examined the relationship between utilization management techniques and psychiatrists' treatment plan modifications.

Method: Nationally representative data on 1,843 patients treated by 615 psychiatrists participating in the American Psychiatric Institute for Research and Education's Practice Research Network were used to examine the demographic and clinical characteristics of patients whose care was subjected to utilization management and to assess the association between utilization management and psychiatrists' treatment plan modifications.

Results: Approximately half of all patients had treatment that was subject to utilization management (52.