Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 8/28/2025

Medical Necessity of Spinal Cord Stimulator Removal During Lumbar Surgery

Rationale for Removal

  • The patient has an indwelling spinal cord stimulator with leads at the L3-L4 level that is now less beneficial than it was previously, indicating reduced therapeutic value 1
  • The surgeon has determined that the spinal stimulator is in a very difficult location for performing the necessary lumbar decompression and fusion surgery, making removal necessary to properly access the surgical site 2, 3

Clinical Considerations

  • The patient has developed significant spinal pathology including Grade 1 spondylolisthesis at L5-S1, and symptoms of neurogenic claudication, which warrant surgical intervention despite having a spinal cord stimulator 1
  • The patient's spinal cord stimulator is positioned precisely where surgical access is required (L3-L4) 3

Supporting Evidence

  • Removal of spinal cord stimulators is considered medically necessary even in cases where the original installation would not have been indicated, according to established clinical practice guidelines 4
  • When a spinal cord stimulator is no longer effective or interferes with necessary medical procedures, removal is appropriate 1

Potential Risks of Removal

  • Complications of spinal cord stimulator removal may include hematoma formation 3
  • Complications of spinal cord stimulator removal may include wound complications 2