Table 1

Top primary inpatient spine surgeries where DDD is the primary diagnosis (under 65)

ICD-9 procedure codeDefinition%
81.08Posterior lumbar fusion52.50%
81.06Anterior lumbar fusion27.27%
3.09Decompression of the spinal canal4.80%
81.07Lateral lumbar fusion4.67%
80.51Discectomy4.22%
Others6.54%
Total100.00%