G2141 — Leg pain measured by the visual analog scale (vas) or numeric pain scale at three months (6 - 20 weeks) postoperatively was greater than 3.0 and leg pain measured by the visual analog scale (vas) or numeric pain scale within three months preoperatively and at three months (6 - 20 weeks) postoperatively demonstrated improvement of less than 5.0 points

HCPCS/CPT