HCPCS Level II code L5845 describes an addition to an endoskeletal knee-shin orthotic system providing an adjustable stance flexion feature; the service represents a prosthetic/orthotic component addition intended to modify knee stability and flexion during stance, typically furnished as durable medical equipment in an outpatient clinic, orthotics/prosthetics shop, or home health setting where orthotic fittings and adjustments occur.

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.