G90 – Disorders of autonomic nervous system
Coding Notes
Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions
Type 1 Excludes
dysfunction of the autonomic nervous system due to alcohol (G31.2)
Child Codes
Sibling Codes
View in Tabular
| Code | Title |
|---|---|
| G00-G99 | Diseases of the nervous system (G00-G99) |
| G89-G99 | Other disorders of the nervous system (G89-G99) |
| G90 |
Disorders of autonomic nervous system
Type 1 Excludes
dysfunction of the autonomic nervous system due to alcohol (G31.2)
|
| G90.0 | Idiopathic peripheral autonomic neuropathy |
| G90.01 | Carotid sinus syncope |
| G90.09 | Other idiopathic peripheral autonomic neuropathy |
| G90.1 | Familial dysautonomia [Riley-Day] |
| G90.2 | Horner's syndrome |
| G90.3 | Multi-system degeneration of the autonomic nervous system |
| G90.4 | Autonomic dysreflexia |
| G90.5 | Complex regional pain syndrome I (CRPS I) |
| G90.50 | Complex regional pain syndrome I, unspecified |
| G90.51 | Complex regional pain syndrome I of upper limb |
| G90.511 | Complex regional pain syndrome I of right upper limb |
| G90.512 | Complex regional pain syndrome I of left upper limb |
| G90.513 | Complex regional pain syndrome I of upper limb, bilateral |
| G90.519 | Complex regional pain syndrome I of unspecified upper limb |
| G90.52 | Complex regional pain syndrome I of lower limb |
| G90.521 | Complex regional pain syndrome I of right lower limb |
| G90.522 | Complex regional pain syndrome I of left lower limb |
| G90.523 | Complex regional pain syndrome I of lower limb, bilateral |
| G90.529 | Complex regional pain syndrome I of unspecified lower limb |
| G90.59 | Complex regional pain syndrome I of other specified site |
| G90.8 | Other disorders of autonomic nervous system |
| G90.9 | Disorder of the autonomic nervous system, unspecified |