G90Non-billable (header)
Disorders of autonomic nervous system
Related Codes· Other disorders of the nervous system (G89-G99)
Sub-codes of G90(10)
G90 is a non-billable header. Select a sub-code to bill.
G90.0Idiopathic peripheral autonomic neuropathyHeaderG90.1Familial dysautonomia [Riley-Day]✓ BillableG90.2Horner's syndrome✓ BillableG90.3Multi-system degeneration of the autonomic nervous system✓ BillableG90.4Autonomic dysreflexia✓ BillableG90.5Complex regional pain syndrome I (CRPS I)HeaderG90.8Other disorders of autonomic nervous systemHeaderG90.9Disorder of the autonomic nervous system, unspecified✓ BillableG90.APostural orthostatic tachycardia syndrome [POTS]✓ BillableG90.BLMNB1-related autosomal dominant leukodystrophy✓ Billable
✗ Excludes 1(Not coded here)
- •dysfunction of the autonomic nervous system due to alcohol (G31.2)
Code Hierarchy
┌6Diseases of the nervous system (G00-G99)├G89-G99Other disorders of the nervous system (G89-G99)├G90Disorders of autonomic nervous system
└G90Disorders of autonomic nervous system
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