What is the CPT (Current Procedural Terminology) code for mental fatigue?

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CPT Coding for Mental Fatigue

There is no specific CPT code dedicated solely to mental fatigue as a standalone condition. Mental fatigue would typically be coded under the appropriate Evaluation and Management (E/M) service codes (99202-99215) based on the complexity of the visit and medical decision making involved 1.

Coding Approach for Mental Fatigue

  • Mental fatigue is generally coded as part of an E/M service, with the specific code determined by factors such as visit complexity, time spent, and medical decision making 1.
  • When mental fatigue is part of cancer-related fatigue, it would be included in the overall management of that condition, which also lacks a specific CPT code 2.
  • For plexopathy evaluations that may include mental fatigue components, coding depends on clinical indications and the anatomical region being evaluated 2.

Coding Options Based on Clinical Context

For Primary Care or Neurology Settings:

  • Use appropriate outpatient E/M codes (99202-99215) based on time spent or medical decision-making complexity 1.
  • Document the specific assessment of mental fatigue symptoms within the broader evaluation 1.

For Mental Health Settings:

  • Consider psychiatric evaluation codes (90791-90792) if mental fatigue is part of a comprehensive psychiatric assessment 3.
  • For ongoing management, use appropriate psychotherapy codes (90832-90838) if treating mental fatigue through therapeutic approaches 3.

Treatment Considerations That May Affect Coding

  • Cognitive behavioral therapy for mental fatigue may be coded using psychotherapy codes when performed by qualified providers 2.
  • Mind-body interventions like mindfulness-based stress reduction may require specific coding based on the provider type and service rendered 2.
  • Pharmacologic interventions (e.g., psychostimulants) would be coded separately from the evaluation 2.

Important Coding Pitfalls to Avoid

  • Do not use specific fatigue syndrome codes unless the patient has a formal diagnosis of chronic fatigue syndrome 4.
  • Avoid using codes for physical fatigue when the primary complaint is mental fatigue 4.
  • Remember that digital health tools for mental fatigue management may have separate reimbursement mechanisms outside traditional CPT coding 3.

Documentation Requirements

  • Clearly document the nature, severity, and impact of mental fatigue on daily functioning 5.
  • Include any objective assessments or screening tools used to evaluate mental fatigue 2.
  • Document the medical decision-making process and treatment plan specifically addressing mental fatigue 1.

Mental fatigue coding remains challenging due to the lack of specific codes for this condition. The most appropriate approach is to code for the evaluation and management service provided, ensuring thorough documentation of the assessment and treatment of mental fatigue within that encounter 4, 1.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

CPT: an open system that describes all that you do.

Journal of the American College of Radiology : JACR, 2008

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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