HCA 455 Topic 4 Benchmark Assignment, Organizational Structure HCA 455 Topic 4 Benchmark Assignment, Organizational Structure Also read: HCA 455 Topic 4 Assignment, Transitional Care Application Roles and Organizational Structure HCA 455 Topic 4 Assignment, Transitional Care Application – Roles and Organizational Structure HCA 455 Topic 8 Benchmark Assignment. Diversity in Health Care HCA 455 Topic 1 Assignment, Organizational Behavior and Culture HCA 455 Topic 6 CLC Assignment, Primary Care Provider Application, Organizational Development and Change