G93.3
⚠ Non-billable
Postviral and related fatigue syndromes
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G93.3
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Nervous System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code G93.3?
ICD-10-CM code G93.3 represents Postviral and related fatigue syndromes. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G93.3 billable?
No. G93.3 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is G93.3 in?
G93.3 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
Related codes in the G93 category
G93
Other disorders of brain
Non-billable
G93.0
Cerebral cysts
Billable
G93.1
Anoxic brain damage, not elsewhere classified
Billable
G93.2
Benign intracranial hypertension
Billable
G93.4
Other and unspecified encephalopathy
Non-billable
G93.5
Compression of brain
Billable
G93.6
Cerebral edema
Billable
G93.7
Reye's syndrome
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →