CPT (Current Procedural Terminology) codes are essential for mental health professionals to accurately document services rendered and ensure appropriate reimbursement from insurance providers. In 2025, several updates and clarifications have been introduced to help streamline billing processes and maintain compliance with regulatory standards. This guide provides a comprehensive overview of the most relevant CPT codes for mental health services in 2025, organized by service type, and includes tips for proper use and documentation.
CPT codes are five-digit numeric codes developed by the American Medical Association (AMA) to describe medical, surgical, and diagnostic services. In mental health, these codes cover a wide range of services, from psychotherapy to diagnostic evaluations. Mental health CPT codes are primarily found in the 908XX series, but codes outside this range may also apply, depending on the service provided.
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With the expansion of telehealth services, many CPT codes can now be used for virtual sessions. Ensure that: Telehealth Modifiers (GT or 95) are included. Place of Service Code (02 or 10) is correctly applied to indicate telehealth. Commonly used telehealth codes: 90791, 90792: Diagnostic evaluations 90832, 90834, 90837: Individual psychotherapy 90846, 90847: Family psychotherapy Tips for Accurate Billing and Coding Understand Time Requirements: CPT codes often have time thresholds. Ensure your session meets the required duration. Stay Up-to-Date with Payer Policies: Insurance carriers may have unique requirements. Use Add-On Codes When Applicable: For extended sessions or additional complexities. Maintain Thorough Documentation: This supports medical necessity and avoids claim denials. Leverage Billing Software: Use tools that update codes regularly to avoid outdated billing practices.