Let's assume, for the sake of argument, that I went through the normal channels and saw a doctor who did the full standard-of-care evaluation and assessment as

Let's assume, for the sake of argument, that I went through the normal channels and saw a doctor who did the full standard-of-care evaluation and assessment as part of the diagnostic process. The only slightly unusual thing I did was get a second opinion from a qualified, in-network physician instead of taking the first result at face value.