Pharmacists have been known to alter prescriptions or substitute low-cost generic drugs for more expensive name brands. this is an example of which category of white-collar crime?

There are numerous kinds of white-collar crime. One kind is stings and swindle. This include the use of dishonesty to cheat people out of their money. But in the question, this is what you call chiseling. This is cheating or using unethical methods (to businesses, or the government) out of something on a steady basis. This is a second common type of white-collar crime. Astonishingly, many specialists involve in chiseling crimes.