G90
Non-Billable (Header)Disorders of autonomic nervous system
Excludes 1 — Do NOT code together
- dysfunction of the autonomic nervous system due to alcohol (G31.2)
Child Codes
G90.0Idiopathic peripheral autonomic neuropathy
G90.1Familial dysautonomia [Riley-Day]
HCC 182G90.2Horner's syndrome
G90.3Multi-system degeneration of the autonomic nervous system
HCC 199G90.4Autonomic dysreflexia
G90.5Complex regional pain syndrome I (CRPS I)
G90.8Other disorders of autonomic nervous system
G90.9Disorder of the autonomic nervous system, unspecified
G90.APostural orthostatic tachycardia syndrome [POTS]
G90.BLMNB1-related autosomal dominant leukodystrophy
HCC 200Code Hierarchy
└G90Disorders of autonomic nervous system
└G90Disorders of autonomic nervous system