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G93.31

✓ Billable

Postviral fatigue syndrome

Diseases of the nervous system (G00-G99)

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❌ Excludes1

inherited from G93.3

Rules from parent category G93.3: Postviral and related fatigue syndromes

  • • chronic fatigue NOS (R53.82)
  • • neurasthenia (F48.8)

📋 Code Instructions

from G93.3
  • • code, if applicable, for post COVID-19 condition, unspecified (U09.9)

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Code Information

CodeG93.31
BillableYes
ParentG93.3
CategoryDiseases of the nervous system (G00-G99)
Excludes12 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)