It's called upcoding. It's been happening with or without AI or SV's help for well over 40 years. [0]
Interestingly, whistleblowers can recoup a big chunk of the recovered funds in a False Claims Act suit when medical providers do this to defraud Medicaid / Medicare [1]. Could be a lucrative long-term play if you get employed at a company whose sole purpose is helping hospital chains bill for care that an AI thinks may have been provided.