G93.3 (Postviral and related fatigue syndromes) is an umbrella ICD-10-CM medical diagnosis code in the Diseases of the nervous system chapter. It identifies cases of postviral and related fatigue syndromes for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

G93.3 — Postviral and related fatigue syndromes

Chapter G00-G99: Diseases of the nervous system

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Sub-codes under G93.3

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

Related diagnoses

G93.0Cerebral cystsG93.1Anoxic brain damage, not elsewhere classifiedG93.2Benign intracranial hypertensionG93.4Other and unspecified encephalopathyG93.5Compression of brainG93.6Cerebral edemaG93.7Reye's syndromeG93.8Other specified disorders of brainG93.9Disorder of brain, unspecified

Common questions about G93.3 (Postviral and related fatigue syndromes)

What does ICD-10 code G93.3 mean?
G93.3 is the ICD-10-CM 2025 code for Postviral and related fatigue syndromes. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is G93.3 a billable diagnosis code?
G93.3 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under G93.3. Browse the sub-codes listed on this page.
Which ICD-10 chapter does G93.3 belong to?
G93.3 belongs to the chapter "Diseases of the nervous system" (codes G00-G99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Postviral and related fatigue syndromes?
For a plain-language explanation of Postviral and related fatigue syndromes, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Postviral and related fatigue syndromes" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗