In my experience, there is a good bit of grey area on this issue. The questions we tend to look at are A:How is it engineered?, B:What do the specs call for? C:How is it zoned? and D:What does the AHJ think?
I know that if anything even smells of patient care we bid/propose hospital grade wiring. Better safe than sorry, for us and also for any potential patients and doctors in the space.
If you have the chance question the GC, Tenant, Inspector, Plan Review, etc. depending on your situation. CYA!