HCPCS Level II code L6100 describes a below-elbow prosthetic socket with a molded socket, flexible elbow hinge, and triceps pad used as an upper-limb prosthetic component; the service is prosthetic device fabrication and fitting for a below-elbow amputation, typically provided in an outpatient prosthetics clinic or specialized orthotics and prosthetics facility.

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.