Learn everything about CPT Code 90791, billing for psychiatric diagnostic evaluation, also known as a mental health intake session in common parlance. We teach you about authorization requirements, pay rate increases, frequency of billing, CPT Code 90791 documentation requirements and coding requirements, and more. Last updated 2025. Procedure code 90791, along with 90834 and 90837, […]
CPT Code 90791: The Definitive Guide [+2025 Reimbursement Rate]
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