Table 5.
Difficulty Scores Estimated by the Rasch Analysis.
| CPT® Code | Percent Responding that CPT® 27279 is * | Difficulty Score | ||||
|---|---|---|---|---|---|---|
| Description | EQUAL Work | LESS Work | MORE Work | Do Not Perform Comparative Procedure | ||
| 21556 | Excision, tumor, soft tissue of neck or anterior thorax, subfascial (e.g., intramuscular); less than 5 cm | 8.8% | 2.9% | 65% | 24% | -3.77698 |
| 21932 | Excision, tumor, soft tissue of back or flank, subfascial (e.g., intramuscular); less than 5 cm | 12% | 2.9% | 68% | 18% | -3.85504 |
| 22015 | Incision and drainage, open, of deep abscess (subfascial), posterior spine; lumbar, sacral, or lumbosacral | 2.9% | 2.9% | 91% | 2.9% | -4.11477 |
| 22100 | partial excision of posterior vertebral column (e.g. spinous process, lamina, facet) for intrinsic bony lesion, single vertebral segment, cervical | 18% | 24% | 50% | 8.8% | -0.98816 |
| 22101 | partial excision of posterior vertebral column (e.g. spinous process, lamina, facet) for intrinsic bony lesion, single vertebral segment, thoracic | 24% | 21% | 50% | 5.9% | -1.03313 |
| 22102 | partial excision of posterior vertebral column (e.g. spinous process, lamina, facet) for intrinsic bony lesion, single vertebral segment, lumbar | 24% | 21% | 50% | 5.9% | -1.03313 |
| 22315 | closed treatment of vertebral fracture and or dislocation requiring casting or bracing, with and including casting and or bracing by manipulation or traction | 5.9% | 2.9% | 88% | 2.9% | -5.36145 |
| 22510 | Percutaneous vertebroplasty (bone biopsy included when performed), 1 vertebral body, unilateral or bilateral injection, inclusive of all imaging guidance; cervicothoracic | 8.8% | 2.9% | 85% | 2.9% | -3.35257 |
| 22511 | Percutaneous vertebroplasty (bone biopsy included when performed), 1 vertebral body, unilateral or bilateral injection, inclusive of all imaging guidance; lumbosacral | 5.9% | 2.9% | 91% | 0% | -4.11477 |
| 22513 | Percutaneous vertebral augmentation, including cavity creation (fracture reduction and bone biopsy included when performed) using mechanical device (e.g., kyphoplasty), 1 vertebral body, unilateral or bilateral cannulation, inclusive of all imaging guidance; thoracic | 12% | 2.9% | 85% | 0% | -3.38954 |
| 22514 | Percutaneous vertebral augmentation, including cavity creation (fracture reduction and bone biopsy included when performed) using mechanical device (e.g., kyphoplasty), 1 vertebral body, unilateral or bilateral cannulation, inclusive of all imaging guidance; lumbar | 8.8% | 5.9% | 85% | 0% | -2.50677 |
| 22554 | Arthrodesis, anterior interbody technique, including minimal discectomy to prepare interspace (other than for decompression); cervical below C2 | 38% | 38% | 18% | 5.9% | 0.80289 |
| 27048 | Excision, tumor, soft tissue of pelvis and hip area, subfascial (e.g., intramuscular); less than 5 cm | 5.9% | 8.8% | 53% | 32% | -1.78938 |
| 27050 | Arthrotomy, with biopsy; sacroiliac joint | 8.8% | 8.8% | 59% | 24% | -2.71452 |
| 27052 | Arthrotomy, with biopsy; hip joint | 5.9% | 12% | 44% | 38% | -1.84758 |
| 27216 | Percutaneous skeletal fixation of posterior pelvic bone fracture and/or dislocation, for fracture patterns that disrupt the pelvic ring, unilateral (includes ipsilateral ilium, sacroiliac joint, and/or sacrum | 21% | 35% | 35% | -1.90267 | |
| 27235 | Percutaneous skeletal fixation of femoral fracture, proximal end, neck | 18% | 2.9% | 38% | 41% | -1.63564 |
| 27280 | Arthrodesis, sacroiliac joint (including obtaining graft), open | 21% | 50% | 18% | 12% | 1.60055 |
| 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 | 15% | 8.8% | 62% | 15% | -2.30662 |
| 62292 | Injection procedure for chemonucleosis, including discography, intervertebral disc, single or multiple levels, lumbar | 0% | 12% | 62% | 26% | -2.32848 |
| 63030 | Laminotomy (hemilaminectomy), with decompression of nerve root(s), including partial facetectomy, foraminotomy and/or excision of herniated intervertebral disc; 1 interspace, lumbar | 38% | 21% | 38% | 2.9% | -0.67092 |
| 63075 | Discectomy, anterior, with decompression of spinal cord and/or nerve root(s), including osteophytectomy, cervical, single interspace | 38% | 35% | 21% | 5.9% | 0.25978 |
| 63620 | Stereotactic radiosurgery (particle beam, gamma ray, or linear accelerator), 1 spinal lesion | 2.9% | 8.8% | 21% | 68% | -1.87111 |
| 63650 | Percutaneous implantation of neurostimulator electrode array, epidural | 12% | 5.9% | 53% | 29% | -2.60639 |
| 63655 | Laminectomy for implantation of neurostimulator electrodes, plate/paddle, epidural | 18% | 15% | 44% | 14% | -1.71518 |
| 63662 | Removal of spinal neurostimulator electrode plate/paddle(s) placed via laminotomy or laminectomy, including fluoroscopy, when performed | 12% | 5.9% | 68% | 15% | -3.33569 |
| 63663 | Revision including replacement, when performed, of spinal neurostimulator electrode percutaneous array(s), including fluoroscopy, when performed | 15% | 21% | 44% | 21% | -1.19609 |
| 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) | NA | NA | NA | NA | 0.0000** |
*
Among those responding to the item.
**
Assigned for comparative purposes.