ADHD Diagnosis - Why You Should Seek Help Privately With wait times for service at an all-time high private adult ADHD assessments are becoming more popular. Anyone who is registered with a GP in England can use their "Right to Choice" and opt to be sent to a private company. https://telegra.ph/11-Faux-Pas-Which-Are-Actually-OK-To-Create-Using-Your-ADHD-Private-Diagnosis-London-03-06