CPT code
Psychiatric evaluation
In the order to send them
Why these codes
The first visit with a psychiatrist or therapist: mental health, outpatient provider, then psychiatric.
If a payer returns nothing
Payers don't all answer every service type. Send 30 (Health Benefit Plan Coverage) for the plan's general benefits.
Sources
X12 HIPAA 5010 service type code definitions; VerifyTX billing practice