Christina is seen practicing the names of surgical instruments, and then she said she would sterilize them before the scrub nurses ever knew. That's not how it works, as Christina can't sterilize them herself. The instruments would have to be sent to the sterile processing department where they would have to be repackaged and re-sterilized in machines called autoclaves.
Joe is Quoted $200,000 for his procedure. That is the cost charged to insurance. The charge to out of pocket is anywhere from 1/5 to 1/10th insurance charge amount, so Joe's bill would be more like $18,000 out of pocket for direct pay.
At the end of the episode, when Merideth gets in her SUV to drive away, you can see it is missing a rear view mirror on the front windshield.