Two of the largest medical testing laboratories in the whole of the United States have agreed to pay fines in the total amount of $48.5 million to settle accusations of doctor bribery for patient referrals and for committing unnecessary testing. These two labs—Health Diagnostics Lab (HDL) and Singulex—have been found in violation of the False Claims Act.

http://diabetesinsider.com/major-medical-labs-found-advising-unnecessary-testing-referrals-for-bonuses/38868