Do you have any information from doctors proving this? I think making use of medical testing is a good thing. Helps with specific diagnosis, I would think.
http://www.wenatcheeworld.com/news/2011/feb/17/preventive-medicine-doctors-order-tests-to/
http://philadelphiapersonalinjuryblog.com/2010/06/er-doctors-do-excessive-testing-to-avoid-malpractice-lawsuits.html
http://www.bergencountymedicalmalpractice.com/2011/01/study-doctors-still-fear-medical-malpractice-suits.shtml