G90
⚠ Non-billable
Disorders of autonomic nervous system
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G90
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 G90?
ICD-10-CM code G90 represents Disorders of autonomic nervous system. 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 G90 billable?
No. G90 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is G90 in?
G90 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
Related codes in the G90 category
G90.0
Idiopathic peripheral autonomic neuropathy
Non-billable
G90.1
Familial dysautonomia [Riley-Day]
Billable
G90.2
Horner's syndrome
Billable
G90.3
Multi-system degeneration of the autonomic nervous system
Billable
G90.4
Autonomic dysreflexia
Billable
G90.5
Complex regional pain syndrome I (CRPS I)
Non-billable
G90.8
Other disorders of autonomic nervous system
Non-billable
G90.9
Disorder of the autonomic nervous system, unspecified
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →