It's its own case because of the subjectivity of the diagnosis and the effectiveness and length of treatment. I'm sure that a bunch of other healthcare services

It's its own case because of the subjectivity of the diagnosis and the effectiveness and length of treatment. I'm sure that a bunch of other healthcare services have the same issue, like acupuncture or physical therapy. Also, mental health is not particularly expensive to treat itself: why put the insurance company in the middle. Pay the provider directly..