G90-G99: Other disorders of the nervous system
G90: Disorders of autonomic nervous system
Subcodes of G90:
- G90.0: Idiopathic peripheral autonomic neuropathy
- G90.1: Familial dysautonomia [Riley-Day]
- G90.2: Horner syndrome
- G90.4: Autonomic dysreflexia
- G90.5: Complex regional pain syndrome type I
- G90.6: Complex regional pain syndrome type II
- G90.7: Complex regional pain syndrome, other and unspecified type
- G90.8: Other disorders of autonomic nervous system
- G90.9: Disorder of autonomic nervous system, unspecified
Patient Disclaimer
The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.
If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.
For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.