0QS004Z
Reposition Lumbar Vertebra to No Qualifier with Internal Fixation Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | Q Lower Bones |
| Operation | S Reposition |
| Body Part | 0 Lumbar Vertebra |
| Approach | 0 Open |
| Device | 4 Internal Fixation Device |
| Qualifier | Z No Qualifier |
Operation Definition
Moving to its normal location, or other suitable location, all or a portion of a body part
Procedure Overview
Reposition procedures move a lower bone, or a fragment of one, from an abnormal location to its correct anatomical position, or to another location that will let it function properly. This is the category most fracture reductions fall into, along with corrective osteotomies performed to realign a bone that has healed crookedly or grown abnormally, and procedures that move a bone segment to a new site for reconstructive purposes.
These operations address displaced fractures of the pelvis, femur, tibia, fibula, patella, or foot bones, as well as deformities such as a bowed tibia or a malaligned metatarsal that needs to be cut and shifted into better alignment. Fixation devices like plates, screws, rods, or external fixators are frequently used alongside the repositioning to hold the bone in its new location while it heals.
Anatomy & Axis Detail
Lumbar Vertebra
The lumbar vertebrae are the five robust bony segments of the lower spine that bear substantial axial load and permit flexion, extension, and some rotation of the trunk. Reposition of a lumbar vertebra is performed to correct malalignment such as spondylolisthesis, traumatic subluxation, or progressive deformity, moving the vertebral body or its posterior elements back into anatomically correct position without removing or replacing the bone itself. Because the lumbar spine sits adjacent to the cauda equina and exiting nerve roots, careful control during realignment is essential to avoid neural injury, and instrumentation is frequently used afterward to maintain the corrected position. Coding should reflect that the vertebra was moved to a normal or other suitable location, distinct from any separate fixation device procedure.
Approach: Open
Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.
Device: Internal Fixation Device
Internal fixation device is the general value for hardware such as plates, screws, or rods placed within the body to stabilize bone or joint, used when a more specific configuration is not indicated. It stands in contrast to the named subtypes - Rigid Plate, Intramedullary, Sustained Compression, and Intramedullary Limb Lengthening - which specify how the hardware achieves stabilization.
Coding & Documentation
The operative note needs to document that a bone or bone fragment was moved to a different position, whether by closed manipulation or open surgical exposure, and should specify any fixation device left in place, since that device is captured as a separate value on the same code rather than a separate procedure. Coders must distinguish open versus percutaneous versus external approaches carefully, as this changes the approach value substantially. A common mistake is coding a simple cast application or splinting as Reposition when no manipulation of bone position actually occurred, and another is failing to capture the device value when hardware is placed during the same reduction.