Psychological and neuropsychological testing services utilize diagnostic tests when mental illness or brain dysfunction is suspected, and clarification is essential for the diagnosis and treatment. This family of codes was recently revised and extensive changes went into effect on Jan. 1, 2019. 

2019 changes to psychological and neuropsychological testing codes

As of Jan. 1, 2019, practitioners will need to use the new billing codes for Medicare and all insurance carriers. The list is intended to familiarize you with specific testing coding changes and will be helpful for updating your billing and claims processing systems.

Descriptors for 2019 Psychological & Neuropsychological Assessment CPT Codes for Psychologists (PDF, 37KB).

The Centers for Medicare and Medicaid Services (CMS) have released the final rule on the 2019 Medicare fee schedule. Below you will find a descriptors list, similar to the above document, that contains the 2019 Total Non-Facility RVU values and the 2019 Conversion Factor.

Descriptors and Total NF RVUs for 2019 Psychological & Neuropsychological Assessment CPT Codes for Psychologists (PDF, 52 KB).

Given the new modernized coding structure that more accurately describes the work required when multiple hours of technical and professional services are performed, APA has developed three separate crosswalks between the current (2018) testing codes and the corresponding new codes to be used in 2019. These PDFs are intended to assist psychologists as they make the transition.

Additional resources

News on the 2019 Testing Codes

For help with questions about or billing problems related to the revised testing codes, contact the APA Practice Directorate's Government Relations Department at (202) 336-5889

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