G93Header code — not billable
Other disorders of brain
- Chapter
- 6. Diseases of the nervous system
- Category
- G93
- Effective date
- October 1, 2026
Related codes in category G93
G93.0Cerebral cystsYesG93.1Anoxic brain damage, not elsewhere classifiedYesG93.2Benign intracranial hypertensionYesG93.3Postviral and related fatigue syndromesG93.31Postviral fatigue syndromeYesG93.32Myalgic encephalomyelitis/chronic fatigue syndromeYesG93.39Other post infection and related fatigue syndromesYesG93.4Other and unspecified encephalopathyG93.40Encephalopathy, unspecifiedYesG93.41Metabolic encephalopathyYesG93.42Megalencephalic leukoencephalopathy with subcortical cystsYesG93.43Leukoencephalopathy with calcifications and cystsYes
Frequently asked questions
What is ICD-10 code G93?
G93 is an ICD-10-CM diagnosis code for Other disorders of brain.
Is G93 a billable code?
No. G93 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is G93 in?
G93 falls under Chapter 6: Diseases of the nervous system.
When did G93 become effective?
G93 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to G93?
G93 belongs to category G93, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.