[madpata]

He didn't haggle over the price of the procedure.

He only asked how much it's going to be and was charged with over double what he was quoted.

[HarryHirsch]

In Britain you'd go to A&E with your kidney stone and just get the required treatment without haggling over prices.

[vidarh]

And if you do insist on going private for a kidney MRI, a quick google shows prices are in the 200-400 pound range ($280-$560, roughly) for MRI of the abdomen.