You might have a case if you were paying for the test out of pocket, but I presume you have health insurance. In that case, it is also the doctor's duty to prev

You might have a case if you were paying for the test out of pocket, but I presume you have health insurance. In that case, it is also the doctor's duty to prevent unnecessary spending. Combined with the fact that most patients are not well informed and will demand pointless or even counterproductive, it is better to leave treatment and testing decisions to doctors, not patients. Even if doctors sometimes get it wrong it is still better than the alternative.