Why did her treatment cost 10 times more?

Her cost for each round of injections has been roughly $30 the last few years. And everything is easier and less painful for a bit after each steroid treatment. So, in late summer she masked up and went in for her usual shots. She noticed her doctor’s office had moved up a floor in the medical building, but everything else seemed just the same as before — same injections, same doctor. Then the bill came.