How Much Does A Private ADHD Diagnosis Cost? You might have to take the private option if you are an adult who suffers from ADHD. This is a fantastic alternative, since many private psychiatrists are experienced in diagnosing ADHD in adults. They will also screen them for co-morbidities like anxiety https://telegra.ph/16-Facebook-Pages-You-Must-Follow-For-Private-ADHD-Assessment-Related-Businesses-03-06