ICD-10-CM Code R53.83 – Other fatigue

Code: R53.83 Type: ICD-10-CM (Diagnosis) Status: Active Effective: FY2016-2026

What does ICD-10-CM code R53.83 mean?

R53.83 represents Other fatigue. As a symptom code from Chapter 18 (Symptoms, Signs and Abnormal Clinical Findings), this code should be used when no definitive diagnosis has been established for the underlying condition. Coders frequently reference this code as fatigue icd 10, icd 10 code for fatigue, icd 10 fatigue unspecified, or malaise and fatigue icd 10.

Code category and hierarchy

  • Chapter: 18 – Symptoms, Signs and Abnormal Clinical Findings (R00-R99)
  • Category: R53
  • Code: R53.83 – Other fatigue

Guideline notes and coding considerations

Important Guideline Note

Assign R53.83 only when documentation clearly supports this diagnosis. Review the excludes notes and ensure no conflicts with other assigned codes.

  • Specificity: Assign R53.83 only when documentation supports this specific diagnosis.

Learn the underlying rules in the ICD-10 Coding Guidelines, Symptom Code Guidelines.

Documentation tips (what coders should confirm)

  • Verify the clinical documentation supports the use of R53.83

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Related ICD-10 codes

R00.0

Tachycardia, unspecified

R05.9

Cough, unspecified

R06.02

Shortness of breath

R06.81

Apnea, not elsewhere classified

Frequently Asked Questions

The ICD-10-CM code for fatigue is R53.83, which represents other fatigue. This code is also commonly referenced as icd 10 code for fatigue, icd 10 fatigue unspecified, malaise and fatigue icd 10. Verify this code using the ICD Code Auditor to ensure guideline compliance.

Yes. R53.83 is an active ICD-10-CM diagnosis code used to classify other fatigue for clinical documentation, reporting, and medical billing purposes.

Use the ICD Code Auditor to check R53.83 against official ICD-10-CM coding guidelines. The tool validates by fiscal year and patient gender to identify potential conflicts.

Yes, R53.83 can be the primary diagnosis in outpatient settings when no definitive diagnosis has been established. However, in inpatient settings, symptom codes should not be the principal diagnosis if the underlying condition has been identified. Per ICD-10-CM guidelines Section IV.D, codes for symptoms are acceptable as principal diagnosis when a definitive condition has not been established.

Documentation should clearly describe the clinical condition represented by R53.83 (Other fatigue). Include relevant clinical findings, diagnostic test results, provider assessment, and the treatment plan. The diagnosis must be supported by the medical record and not based solely on lab results without clinical interpretation.

Sources

Reviewed by: Certified ICD-10 Coding & Risk Adjustment Specialist
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Validate R53.83 Against ICD 10 CM Coding Guidelines (FY2026)

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