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G93.3

⚠ Non-billable (Header)

Postviral and related fatigue syndromes

Diseases of the nervous system (G00-G99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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📋 Code Instructions

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

❌ Excludes1

direct

Cannot be coded with G93.3

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

Child Codes (3)

G93.31Postviral fatigue syndromeG93.32Myalgic encephalomyelitis/chronic fatigue syndromeG93.39Other post infection and related fatigue syndromes

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Code Information

CodeG93.3
BillableNo — Header code
ParentG93
CategoryDiseases of the nervous system (G00-G99)
Excludes12 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)