0SG33J0
Fusion Lumbosacral Joint to Anterior Approach, Anterior Column with Synthetic Substitute, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | S Lower Joints |
| Operation | G Fusion |
| Body Part | 3 Lumbosacral Joint |
| Approach | 3 Percutaneous |
| Device | J Synthetic Substitute |
| Qualifier | 0 Anterior Approach, Anterior Column |
Operation Definition
Joining together portions of an articular body part rendering the articular body part immobile
Procedure Overview
Fusion, also called arthrodesis, permanently joins the bones of a lower joint so that the joint can no longer move, converting a painful or unstable joint into a solid, stable one. It is used on the hip, knee, ankle, foot, and lumbar or lumbosacral spinal joints for conditions like severe arthritis, joint instability, failed prior surgery, deformity correction, or chronic pain that has not responded to less invasive treatment. Hardware such as screws, plates, or rods, sometimes combined with a bone graft, holds the joint surfaces together while they grow into one continuous piece of bone.
Because fusion eliminates motion at the treated joint, it is generally considered after other options such as medication, injections, or partial procedures have failed to control symptoms. Spinal fusion in the lumbar region is one of the most common examples, performed for conditions like degenerative disc disease, spondylolisthesis, or spinal instability.
Recovery typically takes several months as the bone heals across the joint, and patients can expect a trade of joint mobility for pain relief and structural stability.
Anatomy & Axis Detail
Lumbosacral Joint
The lumbosacral joint is the transitional articulation between the fifth lumbar vertebra and the sacrum, a region subject to concentrated mechanical stress and a common site of spondylolisthesis, disc degeneration, or isthmic defects that produce low back and leg pain. Fusing this joint stabilizes the junction where the mobile lumbar spine meets the fixed sacrum, typically requiring sacral screw fixation in addition to lumbar pedicle instrumentation because the sacral anatomy and bone quality differ from the lumbar vertebrae above. Given its position adjacent to the sacral nerve roots and iliac vessels, surgical exposure demands particular attention to avoid neurovascular injury. Accurate coding depends on identifying the graft material and device used, since anterior interbody approaches, posterior instrumented fusion, and transforaminal techniques are all used to achieve arthrodesis at this junction.
Approach: Percutaneous
Percutaneous describes entry by needle or instrument puncture through the skin or mucous membrane to reach the site of the procedure, without cutting the tissue open or using a visualizing scope. It differs from Open in that the site itself is never exposed, and from Percutaneous Endoscopic in that no endoscope is used to see internal structures. Common examples include needle biopsies and injections.
Device: Synthetic Substitute
Synthetic Substitute designates a device made from manufactured, non-biologic material, such as mesh or prosthetic components, used to replace or augment a body part. It is distinguished from the two tissue substitute categories by its artificial composition, which carries different considerations for integration and long-term durability than biologic grafts.
Qualifier: Anterior Approach, Anterior Column
Anterior Approach, Anterior Column qualifies an acetabular fracture reduction procedure by specifying that both the surgical approach and the fractured column being fixed were anterior. This combination targets anterior column injuries directly, distinguishing it from mixed approach-column combinations used when the fracture pattern requires reaching a column from the opposite side.
Coding & Documentation
Coders need documentation confirming that articular surfaces were joined with the intent of eliminating motion, along with the device used (bone graft substitute, autograft, nonautograft, or internal fixation) and, for spinal fusion, the number of vertebral joints involved, since each level typically requires its own code. A frequent error is under-coding multilevel spinal fusions by capturing only one joint level instead of each level fused. Another common mistake is confusing the qualifier for graft material, since autologous bone graft, synthetic substitute, and no-graft fixation all carry different qualifier values that materially change the code. Coders should also check whether an anterior and posterior approach were both performed at the same spinal level, which requires separate codes for each approach.