G90 - Disorders of autonomic nervous system
Excludes 1:
-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