EXHIBIT ID: SP_J_1165

4 Level Posterior Lumbar Interbody Fusion

4 Level Posterior Lumbar Interbody Fusion

4 level posterior lumbar interbody fusion, midline incision at L1-S1, decompressive laminectomy and medial facectomy, L2-S1 posterior lumbar discectomy, posterior interbody cage stabilization, decortification of transverse processes, and posterior instrumentation and fusion