R53.83

Billable

ChapterR00–R99

Ranksubcategory

Official Description

Other fatigue

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

Instructional Notes

Includes

Fatigue NOS
Lack of energy
Lethargy
Tiredness

Excludes2(Not included here)

exhaustion and fatigue due to depressive episode (F32.-)

General instructions are available for the parent sections:

View CH18 Notes View R53.8 Notes

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

R50-R69General symptoms and signs (R50-R69)

R53Malaise and fatigue

R53.8Other malaise and fatigue

R53.83Other fatigue

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R53.83:

subcategoryR53.8

Other malaise and fatigue

View context instructions

chapterCH18

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R53.83. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

10 raw paths

Exhaustion, exhaustive (physical NEC)1 unique routes

Direct index entry→R53.83

Fatigue2 unique routes

Direct index entry→R53.83

general→R53.83

Lack of1 unique routes

energy→R53.83

Lethargy1 unique routes

Direct index entry→R53.83

Overstrained1 unique routes

Direct index entry→R53.83