CPT Code 90791: Psychiatric diagnostic evaluation

Since the code is more often used in a routine outpatient appointment, it typically doesn't require prior authorization. However, that still depends on the insurance provider's rules and the patient's specific plan.

In a year, according to Medicare and Medicade, the code can only be billed once per client per provider.

Yes, the 90791 CPT code can be billed for telehealth.