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ICD-10 Coding for Fatigue and Malaise(R53.0, R53.82, R53.83)

Complete ICD-10-CM coding and documentation guide for Fatigue and Malaise. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

TirednessLethargyExhaustionGeneralized Weaknesschronic fatigue syndromemyalgic encephalomyelitispost-exertional malaise

Related ICD-10 Code Ranges

Complete code families applicable to Fatigue and Malaise

R53Primary Range

Malaise and fatigue

This range includes codes for various types of fatigue and malaise, including chronic fatigue syndrome and neoplastic fatigue.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
R53.0Neoplastic (malignant) related fatigueUse when fatigue is directly linked to an active malignancy or its treatment.
  • Documentation of active malignancy
  • Linkage to cancer treatment
R53.82Chronic fatigue, unspecifiedUse for chronic fatigue lasting more than 6 months with no identifiable cause.
  • Fatigue lasting ≥6 months
  • Exclusion of other causes (e.g., anemia, thyroid disorders)
R53.83Other fatigueUse for non-chronic fatigue without a specific cause.
  • Fatigue impacting daily activities
  • No chronicity or specific cause

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for chronic fatigue

Essential facts and insights about Fatigue and Malaise

The ICD-10 code for chronic fatigue, unspecified, is R53.82, used for fatigue lasting over 6 months without a specific cause.

Primary ICD-10-CM Codes for fatigue and malaise

Neoplastic (malignant) related fatigue
Billable Code

Decision Criteria

clinical Criteria

  • Fatigue directly related to cancer treatment

Applicable To

  • Fatigue due to cancer
  • Fatigue due to chemotherapy

Excludes

  • Fatigue not related to neoplasm

Clinical Validation Requirements

  • Documentation of active malignancy
  • Linkage to cancer treatment

Code-Specific Risks

  • Incorrect sequencing with malignancy code

Coding Notes

  • Ensure malignancy is coded first to avoid sequencing errors.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Other fatigue

R53.83
Use R53.83 when fatigue is not linked to a malignancy.

Postviral fatigue syndrome

G93.3
Use G93.3 if post-exertional malaise is present.

Depressive episode

F32
Use F32 if fatigue is related to depression.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Fatigue and Malaise to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R53.0.

Impact

Clinical: Inadequate clinical picture, Regulatory: Potential audit failure, Financial: Denied claims

Mitigation Strategy

Specify duration and impact, Use precise terminology

Impact

Reimbursement: Incorrect DRG assignment, Compliance: Non-compliance with ICD-10 guidelines, Data Quality: Inaccurate clinical data representation

Mitigation Strategy

Use G93.3 for ME/CFS with PEM.

Impact

Failure to sequence malignancy before R53.0.

Mitigation Strategy

Educate staff on proper sequencing rules.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Fatigue and Malaise, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Fatigue and Malaise

Use these documentation templates to ensure complete and accurate documentation for Fatigue and Malaise. These templates include all required elements for proper coding and billing.

Chronic fatigue in primary care

Specialty: Primary Care

Required Elements

  • Duration of fatigue
  • Exclusionary test results
  • Impact on daily activities

Example Documentation

Patient presents with fatigue lasting 8 months, normal CBC and TSH, impacting work performance.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient feels tired.
Good Documentation Example
Patient reports fatigue for 8 months, normal labs, unable to work full-time.
Explanation
The good example provides specific duration, lab results, and impact.

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