G90.9
G90.9: Disorder of the autonomic nervous system, unspecified
Billable / specific codeICD-10-CM
G90.9 is a billable, specific ICD-10-CM code for disorder of the autonomic nervous system, unspecified. It is valid for submission on a claim.
Check G90.9 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
G90.9 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
- A56619Billing and Coding: Nerve Conduction Studies and Electromyography
- A57668Billing and Coding: Nerve Conduction Studies and Electromyography
Alphabetic index entries that lead here
- Disease, diseased›sympathetic nervous system
- Disorder›autonomic nervous system
- Disturbance›sympathetic(nerve)
- Degeneration, degenerative›nervous system›autonomic
- Disease, diseased›nervous system›autonomic
- Disease, diseased›nervous system›parasympathetic
- Disease, diseased›nervous system›sympathetic
- Disease, diseased›nervous system›vegetative
- Disease, diseased›peripheral›autonomic nervous system
- Disorder›nerve›sympathetic
- Disorder›nervous system›autonomic(peripheral)
- Disorder›nervous system›parasympathetic
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under G90
- G90.0Idiopathic peripheral autonomic neuropathy
- G90.1Familial dysautonomia [Riley-Day]
- G90.2Horner's syndrome
- G90.3Multi-system degeneration of the autonomic nervous system
- G90.4Autonomic dysreflexia
- G90.5Complex regional pain syndrome I (CRPS I)
- G90.8Other disorders of autonomic nervous system
- G90.APostural orthostatic tachycardia syndrome [POTS]
- G90.BLMNB1-related autosomal dominant leukodystrophy