HCPCS Level II code L8688 describes an implantable neurostimulator pulse generator, dual array, non-rechargeable, includes extension, a device-based service for neuromodulation therapy; the service type is implantable neurostimulator device provision and the typical site of service is an inpatient or outpatient surgical setting (operating room or procedure suite) where device implantation and lead extension are performed.

For related coverage guidance, see recent payer policy updates: Clinical Review Criteria — Lymphedema Therapy and Training (Complete Decongestive Therapy; LVA), Therapy Services — Electric Stimulation for Pain, Swelling and Function in a Clinic Setting, Site of Care: Outpatient Hospital Setting for Physical and Occupational Therapy.