Your Quick Reference to 2025 Mental Health CPT Codes
                     YOUR QUICK REFERENCE TO 2025 MENTAL HEALTH CPT CODES
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YOUR QUICK REFERENCE TO 2025 MENTAL HEALTH CPT CODES
Mental health billing can be daunting, but it is important to become familiar with CPT 
codes in order to have accurate claims and maximum reimbursements. In fact, CPT codes 
offer uniformity in medical billing, enabling mental health providers to receive equitable 
compensation for their services. Here's a detailed guide to the 2025 mental health CPT 
codes, reimbursement, billing issues, and best practices.
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Why do CPT Codes Matter in Mental Health Billing?
Undoubtedly, CPT codes play a pivotal role when billing insurance providers accurately. 
The standardized codes classify mental health services to further ease the process of 
billing. In contrast to other areas of medicine, mental health services are based on only 24 
CPT codes and simplify the process of billing but need precise attention to prevent claim 
denial.
Commonly Used Mental Health CPT Codes
Diagnostic Codes
90791 – Psychiatric Diagnostic Evaluation (one per client, typically covered)
90792 – Psychiatric Diagnostic Evaluation with Medical Services
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YOUR QUICK REFERENCE TO 2025 MENTAL HEALTH CPT CODES
Psychotherapy Codes
90832 – Individual Psychotherapy (30 min, 16–37 min session)
90834 – Individual Psychotherapy (45 min, 38–52 min session)
90837 – Individual Psychotherapy (60 min, 53+ min session)
90846 – Family or Couples Therapy (without the patient present)
90847 – Family or Couples Therapy (with patient present)
90853 – Group Psychotherapy (not family)
Crisis Psychotherapy Codes
90839 – Psychotherapy for Crisis (60 min, 30–74 min session)
+90840 – Add-on Code (30 additional min, for sessions 75+ min)
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YOUR QUICK REFERENCE TO 2025 MENTAL HEALTH CPT CODES
Additional CPT Codes to Know
Beyond core psychotherapy services, other important CPT codes 
include:
96127 – Brief Emotional and Behavioral Assessment
96130 – Psychological Testing (First Hour)
96131 – Psychological Testing (Each Additional Hour)
96136 – Neuropsychological Test Administration (First Hour)
96137 – Neuropsychological Test Administration (Each Additional Hour)
Billing for Longer Therapy Sessions
Add-on codes for longer therapy sessions are available to allow for correct 
reimbursement. 90840 assists in billing for longer crisis therapy, while codes such as 
99354 and 99355 can be used in longer sessions, although coverage is not the same 
with all insurance providers.
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YOUR QUICK REFERENCE TO 2025 MENTAL HEALTH CPT CODES
2025 Reimbursement Rates for Mental Health Services
Medicare establishes base reimbursement rates, which private insurers can 
modify. The following are estimated 2025 rates for common mental health 
services:
90791 – $166.91
90792 – $187.93
90832 – $78.93
90834 – $104.16
90837 – $154.29
90839 – $148.47
90840 – $72.78
Challenges in Mental Health Billing
Mental health billing presents special challenges, including:
Complex Coding for Crisis Services
Crisis intervention is usually time-sensitive and must be documented thoroughly. Misassigning 
CPT codes for crisis intervention, for example, 90839 and +90840, can lead to claim denial or 
underpayment. Providers have to document accurately the duration and intensity of the crisis to 
be reimbursed.
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YOUR QUICK REFERENCE TO 2025 MENTAL HEALTH CPT CODES
Reimbursement for Extended Therapy Sessions
Insurance policies differ on how they handle extended therapy. Most insurers set 
limitations on lengthy sessions, making additional justifications necessary for add-
on codes 99354 and 99355. Without well-supported documentation, the medical 
need for extended care and claims would be denied.
Billing for Out-of-Business-Hours Consultations
Certain patients need therapy outside of business hours, but insurance companies 
tend to limit reimbursement for such services. Though some CPT codes permit 
billing after hours, providers will find it challenging to get approved. This can 
result in financial loss or an inability to provide flexible scheduling.
Claim Denials Due to Incorrect Codes or Documentation
Even minor coding errors can cause claims denial, delayed payment, and 
increased administrative burdens. Misuse of modifiers, insufficient time-based 
documentation, or insufficient information in patient notes can result in audits and 
payment problems.
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YOUR QUICK REFERENCE TO 2025 MENTAL HEALTH CPT CODES
How to Stay Current on CPT Codes
CPT codes and reimbursement policies are updated annually, so mental health 
professionals must stay current. Regular visits to official websites such as CMS, 
industry newsletter subscriptions, and membership in medical billing forums can 
help providers keep up with coding updates. Regular attendance at webinars and 
training sessions also ensures that practitioners know the current billing 
regulations well.
However, monitoring continuous updates while working on patient care can be 
time-consuming. Here is where 24/7 Medical Billing Services comes in, invaluable 
in outsourcing. With specially trained staff devoted to mental health billing and 
coding, 24/7 Medical Billing Services ensures hospitals utilize the latest and most 
correct CPT codes, reducing denials and ensuring maximum reimbursements. By 
outsourcing medical billing and coding duties to professionals, mental health 
practitioners can concentrate on providing quality care while maintaining financial 
stability for their practice.
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YOUR QUICK REFERENCE TO 2025 MENTAL HEALTH CPT CODES
About 24/7 Medical Billing Services:
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service provider catering services to more than 42 specialties across 
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Call us today at 888-502-0537 to know more on how we can help 
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