Category G90

Disorders of autonomic nervous system

Clinical Classification Guidelines

Specific Diagnosis Codes

Idiopathic peripheral autonomic neuropathy
G90.0
Carotid sinus syncope
G90.01
Other idiopathic peripheral autonomic neuropathy
G90.09
Familial dysautonomia [Riley-Day]
G90.1
Horner's syndrome
G90.2
Multi-system degeneration of the autonomic nervous system
G90.3
Autonomic dysreflexia
G90.4
Complex regional pain syndrome I (CRPS I)
G90.5
Complex regional pain syndrome I, unspecified
G90.50
Complex regional pain syndrome I of upper limb
G90.51
Complex regional pain syndrome I of right upper limb
G90.511
Complex regional pain syndrome I of left upper limb
G90.512
Complex regional pain syndrome I of upper limb, bilateral
G90.513
Complex regional pain syndrome I of unspecified upper limb
G90.519
Complex regional pain syndrome I of lower limb
G90.52
Complex regional pain syndrome I of right lower limb
G90.521
Complex regional pain syndrome I of left lower limb
G90.522
Complex regional pain syndrome I of lower limb, bilateral
G90.523
Complex regional pain syndrome I of unspecified lower limb
G90.529
Complex regional pain syndrome I of other specified site
G90.59
Other disorders of autonomic nervous system
G90.8
Serotonin syndrome
G90.81
Other disorders of autonomic nervous system
G90.89
Disorder of the autonomic nervous system, unspecified
G90.9
Postural orthostatic tachycardia syndrome [POTS]
G90.A
LMNB1-related autosomal dominant leukodystrophy
G90.B