Billing and Coding: Neurophysiology Evoked Potentials (NEPs)

This billing and coding guidance clarifies that NEPs (SEPs, BAEPs/BAERs, and VEPs) are covered only when reasonable and necessary per LCD L34975, and requires following that LCD's clinical and documentation criteria. Use the specified CPT codes for each modality, do not bill for services that the LCD does not cover, and apply the appropriate modifier when submitting claims for non‑covered services.

"Neurophysiology Evoked Potentials (NEPs) — including Somatosensory Evoked Potentials (SEPs), Brainstem Auditory Evoked Potentials (BAEPs/BAERs), and Visual Evoked Potentials (VEPs/VERs) — are cover..."

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