CPT code 95923 denotes a clinical test of sudomotor function to evaluate the autonomic nerves that supply sweat glands. This diagnostic procedure is used in evaluating autonomic dysfunction and small-fiber neuropathies and has clinical relevance for patients with unexplained sweating abnormalities, orthostatic symptoms, or other signs of dysautonomia. Nationally, use of targeted autonomic testing like sudomotor assessment informs diagnostic pathways for neurology and autonomic disorders and intersects with coverage policies from major payers.

Key payers covered in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical purpose of CPT code 95923, typical sites of service, and how the service fits into diagnostic evaluation of autonomic disorders. The publication also summarizes benchmarks and payer policy themes, highlights relevant clinical context for appropriate utilization, and outlines common billing modifiers and documentation considerations where data are available.

This summary is written for a national audience and is intended to orient clinicians, coding staff, and policy analysts to the clinical and billing context of CPT code 95923. Data not available in the input will be noted where applicable.