Q1: In simple terms with an example, what is the key difference between fraud and abuse, and does the False Claims act deal with fraud, abuse, or both?

Q2: Also - are these example of fraud, abuse, or both? (if they are both, please say which are which)

-Billing for services not rendered-

-Altering claim forms for higher payments

-Falsification of medical records to achieve higher revenues

-Misrepresenting the type of services provided

-Billing for supplies not provided

-Billing for services not medically necessary

-Double billing

(Please support answer with citations)