90791 Psychiatric diagnostic evaluation
Also known as: Psychiatric evaluation, Mental health evaluation, Psychiatric assessment, psychiatric diagnostic evaluation, psych eval, mental health assessment
Psychiatric diagnostic evaluation without medical services, comprehensive assessment of mental status, history, and psychological functioning.
In Plain Language
Mental health evaluation; Psychiatric interview
Clinical Context
Initial evaluation by psychiatrist or other qualified mental health professional to establish diagnosis and treatment plan for psychiatric conditions.
RVU Breakdown
| Work RVU | 3.84 |
| Total RVU | 3.84 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Medicine section codes cover a wide range of non-surgical services. Documentation should include the clinical indication, procedure details, interpretation (if applicable), and any patient-specific findings.
How This Code Compares
With a work RVU of 3.84, this code ranks in the 89th percentile among Medicine codes — 4.9x the median (0.78). The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 90791?
CPT 90791 (Psychiatric diagnostic evaluation) is a Medicine code. Psychiatric diagnostic evaluation without medical services, comprehensive assessment of mental status, history, and psychological functioning.
Who uses CPT code 90791?
CPT 90791 is used by Psychiatry, Mental Health, Psychology. Initial evaluation by psychiatrist or other qualified mental health professional to establish diagnosis and treatment plan for psychiatric conditions.
When is CPT 90791 used?
Initial evaluation by psychiatrist or other qualified mental health professional to establish diagnosis and treatment plan for psychiatric conditions.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.