G90
Disorders of autonomic nervous system
Non-billableCategory
Coding Guidelines
Excludes1 (Mutually Exclusive)
These codes should never be used together with G90
- G31.2 - dysfunction of the autonomic nervous system due to alcohol (G31.2)
Specific Codes (10)
G90.0Category
Idiopathic peripheral autonomic neuropathy
G90.1Billable
Familial dysautonomia [Riley-Day]
G90.2Billable
Horner's syndrome
G90.3Billable
Multi-system degeneration of the autonomic nervous system
G90.4Billable
Autonomic dysreflexia
G90.5Category
Complex regional pain syndrome I (CRPS I)
G90.8Category
Other disorders of autonomic nervous system
G90.9Billable
Disorder of the autonomic nervous system, unspecified
G90.ABillable
Postural orthostatic tachycardia syndrome [POTS]
G90.BBillable
LMNB1-related autosomal dominant leukodystrophy


