G93.31
Billable codePostviral fatigue syndrome
The ICD-10 code for postviral fatigue syndrome is G93.31.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G93.32Myalgic encephalomyelitis/chronic fatigue syndrome
- G93.39Other post infection and related fatigue syndromes
- G93.31Postviral fatigue syndrome
Associated MS-DRGs
G93.31 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.