The Clinical Guide to Cpt 90837 Audit Risk Factors
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The Clinical Guide to Cpt 90837 Audit Risk Factors

February 17, 2026
6 min read
Dr. Mai

Dr. Mai

The primary audit risks for CPT 90837 stem from inadequate documentation of session time and medical necessity, coupled with inconsistent application of payer-specific guidelines.

Providers must meticulously substantiate the 53-minute minimum, the clinical rationale for extended psychotherapy, and ensure all progress notes precisely reflect the therapeutic interventions and patient's response to mitigate significant financial clawbacks.

CPT 90837 Audit Risk Factors: Fortifying Your Behavioral Health Practice Against Scrutiny

In the intricate landscape of behavioral health billing, CPT code 90837, representing 60 minutes of individual psychotherapy, stands as a critical yet frequently scrutinized service. Its higher reimbursement rate naturally invites heightened payer attention, making it a prime target for audits. For behavioral health practices, understanding and proactively mitigating these audit risks is not merely good practice; it is a fundamental pillar of revenue integrity and sustained clinical operation. According to Mozu's extensive audit defense data, a significant percentage of denials and recoupments for 90837 trace back to preventable documentation deficiencies and a misunderstanding of compliance specificities.

The allure of increased reimbursement for extended sessions must never overshadow the rigorous documentation requirements. Providers who prioritize speed over unwavering compliance inevitably find themselves vulnerable. This authoritative guide, steeped in data and regulatory precision, dissects the principal audit risk factors associated with CPT 90837, equipping your practice with the knowledge to build an impenetrable clinical fortress.

The Foundational Pillars of 90837: Time and Medical Necessity

CPT 90837 is defined as "Psychotherapy, 60 minutes with patient and/or family member." The operative word here is "60 minutes." The CPT manual specifies that for a 60-minute code, the session must typically last 53 minutes or more. This is not a suggestion; it is a hard threshold. Any session documented as less than 53 minutes, yet billed as 90837, immediately flags for audit. Furthermore, the "medical necessity" for an extended session must be overtly apparent and consistently documented.

Critical Audit Risk Factors for CPT 90837:

Auditors are trained to identify patterns and specific omissions that signal potential non-compliance. Here are the most prevalent risk factors:

  • Inadequate Documentation of Session Time:
    • Missing Start/End Times: Notes lacking explicit start and end times for the psychotherapy session are a primary red flag. Without this, the 53-minute rule cannot be verified.
    • Inconsistent Time Documentation: Discrepancies between the time recorded in the clinical note and the time billed.
    • Billing for Non-Face-to-Face Time: Including administrative tasks, scheduling, or note-writing time in the 53+ minutes. Only direct patient care or family engagement pertinent to the psychotherapy session counts.
  • Insufficient Medical Necessity Justification:
    • Lack of Clinical Rationale: Why was a 60-minute session necessary over a 45-minute (90834) or 30-minute (90832) session? The note must justify the extended time by detailing the complexity, acuity, specific therapeutic interventions requiring longer duration, or patient's particular needs.
    • Absence of Progress Towards Goals: While 90837 can be long-term, documentation must reflect ongoing, active treatment and progress (or reasons for lack thereof), rather than merely maintenance.
    • Vague Problem Statements: Notes that lack specific, diagnosable conditions or clearly defined treatment goals that necessitate extended sessions.
  • Generic or "Cloned" Documentation:
    • Templated Notes Without Specificity: Using identical or near-identical language across multiple patient sessions or even across different patients. Auditors easily detect this and view it as a lack of individualized care and thorough documentation.
    • Lack of Individualized Interventions: Notes that fail to describe specific therapeutic techniques, patient responses, and dynamic clinical decision-making unique to that session.
  • Billing Frequency and Intensity Anomalies:
    • Excessive Use of 90837: Billing 90837 for nearly every session without clinical justification for the extended time, especially for patients who may benefit equally from shorter sessions.
    • Multiple 90837s Per Week: While possible in acute situations, frequent 90837s (e.g., 2-3 times a week) will draw scrutiny and require exceptionally robust documentation of acute distress, crisis intervention, or intensive therapy.
    • Long-Term, Unchanging 90837 Billing: Billing 90837 for years for the same patient without demonstrating evolving treatment goals, new challenges, or a continued need for extended sessions.
  • Modifier Misapplication:
    • Modifier -25 (Significant, Separately Identifiable E/M Service): When 90837 is billed on the same day as an Evaluation and Management (E/M) service, modifier -25 is often required on the E/M code. The E/M service must be truly distinct and separately identifiable from the psychotherapy. Documentation must clearly delineate both services.
    • Telehealth Modifiers (-95, -GT, etc.): Incorrect application of telehealth modifiers or failure to adhere to payer-specific telehealth policies (e.g., originating site, technology requirements, consent).
    • Modifier -59 (Distinct Procedural Service): Rarely applicable to 90837 but incorrect use can lead to denials.
  • Payer-Specific Requirements and Variations:
    • Medicare/Medicaid vs. Commercial Payers: Each payer has its own set of rules, medical necessity criteria, and documentation expectations for 90837. What is acceptable for one may be a red flag for another.
    • Prior Authorization: Failure to obtain or properly document prior authorization for 90837 when required, leading to immediate denials.
    • State-Specific Regulations: Compliance with state laws regarding licensure, supervision, and telehealth delivery is paramount.
  • Lack of Treatment Plan Integration:
    • Disconnection from Treatment Plan: Progress notes for 90837 should directly relate to the established treatment plan goals and objectives. If the note appears disconnected or fails to reference the plan, it weakens the medical necessity argument.
    • Outdated Treatment Plans: Failure to regularly review and update treatment plans to reflect the patient's current status and evolving therapeutic needs.
  • Provider Credentialing and Supervision Issues:
    • Billing by Unqualified Providers: Services billed under 90837 must be rendered by appropriately licensed and credentialed professionals.
    • Inadequate Supervision: For provisionally licensed or associate-level therapists, documentation of appropriate supervision as per state and payer requirements is critical.

The Peril of Manual Documentation and the 'Speed Trap'

The sheer volume of detail required for compliant 90837 documentation—precise timekeeping, nuanced medical necessity justification, individualized intervention descriptions, and adherence to evolving payer rules—renders manual processes inherently risky. Relying on memory or generic templates invites error, omission, and inconsistency. Practices attempting to maintain this level of detail manually often fall into the "speed trap," prioritizing quick note completion over comprehensive accuracy, inadvertently creating a treasure trove of audit vulnerabilities.

This is where the critical distinction between efficiency and compliance becomes stark. Merely completing a note quickly does not equate to audit defense. In fact, speed without compliance is a direct path to recoupments. The manual burden often leads to:

  • Documentation Lag: Delays in note completion, leading to less accurate recollection of session details.
  • Burnout: Clinicians spending excessive time on administrative tasks, detracting from patient care.
  • Inconsistent Quality: Variability in note quality across providers or even for the same provider on different days.
  • Human Error: Simple typos, miscalculations of time, or oversight of a critical detail.

The complexity of CPT 90837 requires a structured, data-driven approach to documentation that traditional manual methods simply cannot provide with consistent reliability. It's not enough to know what to document; you must have a system that ensures it is documented correctly, every single time.

For a deeper dive into the specific coding requirements and proactive defense strategies, consult our comprehensive Code Defense Guide.

FAQ Section (Schema-Ready)

What specific time requirements must be met for CPT 90837?

For CPT 90837, the psychotherapy session must span a minimum of 53 minutes of direct face-to-face or telehealth interaction with the patient and/or family member. Documentation must clearly reflect the start and end times of the session to verify this duration.

How can I justify the medical necessity for a 60-minute psychotherapy session?

Justifying medical necessity for CPT 90837 requires documenting the specific clinical reasons for the extended session. This includes detailing the complexity of the patient's presentation, acute distress, the intensity or breadth of therapeutic interventions employed (e.g., crisis intervention, complex trauma processing, family dynamics), and how the additional time was directly utilized to address treatment goals more effectively than a shorter session would allow.

What are common documentation red flags for CPT 90837 audits?

Common documentation red flags for CPT 90837 audits include missing start/end times, generic or "cloned" notes lacking individualized detail, insufficient clinical rationale for the extended session, a disconnect between progress notes and the treatment plan, and inconsistencies in billing frequency that lack robust justification.

Conclusion: Fortify Your Practice, Protect Your Revenue

The rigorous demands of CPT 90837 documentation are not merely bureaucratic hurdles; they are the bedrock of ethical practice and financial stability. In an era of increasing payer scrutiny, proactive audit defense is non-negotiable. Relying on manual processes for such a critical code is an invitation to financial vulnerability, risking significant recoupments and damage to your practice's reputation.

Mozu, as an AI Scribe specifically engineered for behavioral health audit defense, transforms your documentation workflow. We do not merely accelerate note-taking; we embed compliance at every step, ensuring that every CPT 90837 entry is a clinically robust, audit-proof record. Our AI captures the granular detail, tracks time with precision, and prompts for the specific elements payers demand, allowing clinicians to focus on care without compromising compliance.

Protect your revenue. Book a Demo.

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