Get started free

G93.3

Non-billable

Postviral and related fatigue syndromes

G93.3 is the ICD-10-CM code for Postviral and related fatigue syndromes. It is a non-billable category code — use a more specific child code such as G93.31 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G93
Subcodes
3
Edition
FY2026

G00-G99 Diseases of the nervous system

Excludes1 — not coded here

Use additional code

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

Frequently asked questions

What is ICD-10 code G93.3?
G93.3 is the ICD-10-CM code for "Postviral and related fatigue syndromes". It falls under G00-G99 Diseases of the nervous system.
Is G93.3 a billable code?
No — G93.3 is a non-billable header code. Use a more specific child code (such as G93.31) for billing.
What are the subcodes of G93.3?
G93.3 has 3 more specific child codes, including G93.31, G93.32, G93.39.
What is excluded from G93.3?
Excludes1 (not coded here): chronic fatigue NOS (R53.82); neurasthenia (F48.8).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →