Comment by mgraczyk

Nope, this is cope

Tons of diagnostic interventions have been scaled without strong outcome data. For example many clinics now do fractional exhaled nitric oxide (FeNO) tests because they are safe, fairly cheap, and patients often pay directly out of pocket so they are easy to make money on.

But the evidence for the diagnostic usefulness of this test is extremely low, multiple meta analysis have concluded.

The reason FeNO tests are done but not MRIs is because FeNO tests are $40