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Reposition Pelvic Bone, Right to New Technology Group 11 with Internal Fixation Device, Bone-Density-Specific Thread and Porosity Pattern, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | X New Technology |
| Body System | N Bones |
| Operation | S Reposition |
| Body Part | N Pelvic Bone, Right |
| Approach | 3 Percutaneous |
| Device | H Internal Fixation Device, Bone-Density-Specific Thread and Porosity Pattern |
| Qualifier | B New Technology Group 11 |
Operation Definition
Moving to its normal location, or other suitable location, all or a portion of a body part
Procedure Overview
Reposition procedures in this family move a bone that has shifted out of its correct alignment back to where it belongs, using a device technology advanced enough to warrant separate tracking from conventional realignment hardware. The best-known example is a magnetically controlled growing rod system used in children with progressive spinal deformity, where the rod can be lengthened gradually from outside the body without repeat open surgery.
This approach is chosen for young patients whose scoliosis or other spinal curvature is still worsening as they grow, since traditional rods would require frequent surgical lengthenings under anesthesia. Instead, an external magnet adjusts the implanted rod in a clinic visit, and the underlying procedure code captures the surgical placement and the correction of bone position that the device achieves over time.
Anatomy & Axis Detail
Pelvic Bone, Right
The right pelvic bone, formed by the fused ilium, ischium, and pubis, anchors the hip joint and bears substantial load during standing and walking, so malalignment here, whether from trauma, dysplasia, or prior surgery, can alter limb length and hip mechanics. Repositioning this structure with newer guided or robotically assisted correction technology allows more precise restoration of acetabular orientation and pelvic symmetry than freehand techniques, which matters given the complex three-dimensional geometry of the bone and its proximity to major pelvic vessels and nerves. Because the pelvic bone is a single fused structure with several named subregions, the operative note should make clear which portion was moved and confirm that the correction targets bone alignment rather than the hip joint itself.
Approach: Percutaneous
In New Technology, Percutaneous describes entry into the body via needle or instrument puncture through the skin or a mucous membrane, without a surgical incision, mirroring the same concept in Medical and Surgical. It is distinguished from Open access, which requires a full incision, and from Percutaneous Endoscopic, which adds visualization through the puncture site.
Device / Substance / Technology: Internal Fixation Device, Bone-Density-Specific Thread and Porosity Pattern
This device designation covers internal fixation hardware whose screw threads and porous coating are engineered to match a patient's bone mineral density, improving purchase in osteoporotic or compromised bone compared with a uniform-thread standard implant. It is reported under New Technology because the density-matched thread and porosity pattern represent a distinct manufacturing approach rather than a generic fixation device. It differs from lattice-patterned fixation devices, which vary porosity for ingrowth rather than density matching.
Qualifier: New Technology Group 11
This qualifier designates Group 11, the most recent cohort at the time of its introduction, grouping technologies newly approved for New Technology section reporting in that fiscal year. Like every group value in this axis, it functions as an administrative marker rather than a description of the clinical intervention, which is captured elsewhere in the code. Its main point of confusion is with Group 10, the immediately preceding annual release.
Coding & Documentation
Coders should look for documentation identifying the specific device system by name, since the New Technology designation depends on which product was implanted, not just on the fact that a rod was placed. The note should also describe the bone segment being moved back into anatomic alignment, distinguishing the initial implantation encounter from later outpatient adjustment visits, which are typically not separately coded to this family.
A common error is coding every rod-lengthening visit as a new Reposition procedure; most adjustment sessions are noninvasive magnet-driven and fall outside inpatient procedural coding entirely. Another pitfall is missing the New Technology code altogether because the case was coded solely from the spinal fusion or instrumentation codes without recognizing the distinct device category.
Commonly Confused With
This family is frequently confused with standard Reposition procedures done with conventional growing rods or standard spinal instrumentation, where the difference is entirely the technology used, not the clinical intent. It also overlaps conceptually with Insertion procedures for monitoring devices, but Reposition specifically captures correction of the bone's position, while Insertion applies to appliances that assist or monitor without relocating the bone itself.