Top primary diagnoses (inpatient interspinous process spacer implants (ICD-9 proc code 84.80)
| Diagnosis | n | % |
|---|---|---|
| Lumbar spinal stenosis | 1,661 | 67.58% |
| Lumbosacral spondylosis without myelopathy | 221 | 8.99% |
| Lumbar degenerative disc disease | 185 | 7.53% |
| Acquired spondylolisthesis | 80 | 3.25% |
| Lumbar disc herniation | 46 | 1.87% |
| Others | 265 | 10.78% |
| Total | 2,458 | 100.00% |