G90.09 Other idiopathic peripheral autonomic neuropathy

Billable ICD-10-CM code, FY2026.

Applicable to

• Idiopathic peripheral autonomic neuropathy NOS

Applies from G90 Disorders of autonomic nervous system

Excludes1 (never code together)

• dysfunction of the autonomic nervous system due to alcohol (G31.2)

MS-DRG index

Defines the logic of DRG(s) 073-074 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 337.00 Idiopathic peripheral autonomic neuropathy, unspecified (approximate)
• 337.09 Other idiopathic peripheral autonomic neuropathy (approximate)

Diagnosis Index entries for G90.09

• Bradycardia (sinoatrial) (sinus) (vagal) › reflex
• Faciocephalalgia, autonomic
• Insufficiency, insufficient › idiopathic autonomic
• Neuralgia, neuralgic (acute) › sphenopalatine (ganglion)
• Neuropathy, neuropathic › peripheral (nerve) › autonomic › idiopathic
• Paralysis, paralytic (complete) (incomplete) › cervical › sympathetic
• Paralysis, paralytic (complete) (incomplete) › sympathetic › cervical
• Sphenopalatine ganglion neuralgia
• Syndrome › Charcot-Weiss-Baker
• Syndrome › Hilger's
• Syndrome › Weiss-Baker
• Weiss-Baker syndrome

Nearby codes

• G90 Disorders of autonomic nervous system
• G90.0 Idiopathic peripheral autonomic neuropathy
• G90.01 Carotid sinus syncope
• G90.09 Other idiopathic peripheral autonomic neuropathy (this code)
• 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)