How Much Does A Private ADHD Diagnosis Cost? If you are an adult with ADHD you may have to pursue a private path to get diagnosed. This is a great option as many private psychiatrists have experience in diagnosing adults with ADHD. They also look for co-morbidities such as anxiety https://goff-boll-4.technetbloggers.de/the-no-one-question-that-everyone-in-private-adhd-should-be-able-answer/