How to use CPT code 90834
The “45 minute” session is a core element of mental health care, so it’s vital that every provider knows how to apply the 90834 code to their work.
The 90837 CPT code is often understood to be the standard of a therapy session among providers. However, insurers have a tendency to flag 90837 more frequently than other codes.
Code 90837 represents a 60-minute session of psychotherapy (i.e. talk therapy), with at least 53 minutes of documented face-to-face time.
This is is how the American Medical Association defines 90837 in the official CPT codebook:
Psychotherapy, 60 minutes with patient
Psychotherapy is the treatment of mental illness and behavioral disturbances in which the physician or other qualified health care professional, through definitive therapeutic communication, attempts to alleviate the emotional disturbances, reverse or change maladaptive patterns of behavior, and encourage personality growth and development.
The psychotherapy service codes include ongoing assessment and adjustment of psychotherapeutic interventions, and may include involvement of informants in the treatment process. These codes describe psychotherapy for the individual patient, although times are for face-to-face services with patient and may include informant(s). The patient must be present for all or a majority of the service.
Your documentation for this code should include all the standard elements of a progress note, including:
It’s important to use the code that most accurately reflects the time you spent with the patient to treat their condition, and ensure that documentation for the session supports the chosen code.
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The 90837 code is directly associated with a length of time: As the “60 minute” code, any session billed with 90837 is required to be at least 53 minutes in duration, as documented by the start and stop times in your progress notes.
The time requirement of the 90837 code should reflect only the face-to-face time spent on therapy, not any of the administrative work related to the session, like writing notes, scheduling future sessions, or collecting payment.
Insurers are more likely to flag and place scrutiny on the use of 90837 codes. This can result in payment delays, requests for clinical documentation to support use of the 90837, and other confusion for what seems like a typical billing selection.
Ultimately, insurers are looking for evidence that the additional time was needed.
Every insurer is different, but most typically look for the following supporting conditions in 90837 documentation:
To meet these expectations, your documentation can include more details about the client’s need for additional clinical intervention, as evidenced by:
Reimbursement rates for sessions billed with 90837 will vary depending on the plan, your contract, your location, and your license type.
This document is intended for educational purposes only. It is designed to facilitate compliance with payer requirements and applicable law, but please note that the applicable laws and requirements vary from payer to payer and state to state. Please check with your legal counsel or state licensing board for specific requirements.
The “45 minute” session is a core element of mental health care, so it’s vital that every provider knows how to apply the 90834 code to their work.
If your client demonstrates a clinical need for shorter therapy sessions — or you need to end a session earlier than planned — 90832 might be the right way to bill.
Code 90847 represents a session where the identified patient actively participates, giving the provider important visibility into the ways family interactions can contribute to or alleviate a patient’s condition.