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G93.3Postviral and related fatigue syndromes

ICD-10-CM category (non-billable header) code — part of Other disorders of the nervous system (G89-G99)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 6: Diseases of the nervous system (G00-G99)
Section	Other disorders of the nervous system (G89-G99)
Parent code	G93 — Other disorders of brain

Coding Notes

Excludes1 (never code both together)

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

Use Additional Code

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

Subcategories (3)

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

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