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


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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