Difficulty Scores Estimated by the Rasch Analysis.
| CPT® Code | Description | Difficulty Score |
|---|---|---|
| 22015 | Incision and drainage, open, of deep abscess (subfascial), posterior spine; lumbar, sacral, or lumbosacral | -1.55808 |
| 22554 | Arthrodesis, anterior interbody technique, including minimal discectomy to prepare interspace (other than for decompression); cervical below C2 | 0.00000 |
| 27280 | Arthrodesis, sacroiliac joint (including obtaining graft), open | 0.65616 |
| 62287 | Decompression procedure, percutaneous, of nucleus pulposus of intervertebral disc, any method utilizing needle based technique to remove disc material under fluoroscopic imaging or other form of indirect visualization, with the use of an endoscope, with discography and/or epidural injection(s) at the treated level(s), when performed, single or multiple levels, lumbar | -1.55808 |
| 62292 | Incision and drainage, open, of deep abscess (subfascial), posterior spine; lumbar, sacral, or lumbosacral | -1.94415 |
| 63030 | Laminotomy (hemilaminectomy), with decompression of nerve root(s), including partial facetectomy, foraminotomy and/or excision of herniated intervertebral disc; 1 interspace, lumbar | -1.19898 |
| 63620 | Stereotactic radiosurgery (particle beam, gamma ray, or linear accelerator), 1 spinal lesion | -0.69098 |
| 63655 | Laminectomy for implantation of neurostimulator electrodes, plate/paddle, epidural | -0.44980 |
| 63662 | Removal of spinal neurostimulator electrode plate/pad-dle(s) placed via laminotomy or laminectomy, including fluoroscopy, when performed | -1.23454 |
| 63663 | Revision including replacement, when performed, of spinal neurostimulator electrode percutaneous array(s), including fluoroscopy, when performed | -0.90799 |
| 27279 | Sacroiliac joint stabilization for arthrodesis, percutaneous or minimally invasive (indirect visualization), with image guidance including bone graft when performed, and placement of transfixing device (short descriptor: Arthrodesis, sacroiliac joint) | 0.0000* |
↵* Assigned for comparative purposes.