0PR43JZ
Replacement Thoracic Vertebra to No Qualifier with Synthetic Substitute, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | P Upper Bones |
| Operation | R Replacement |
| Body Part | 4 Thoracic Vertebra |
| Approach | 3 Percutaneous |
| Device | J Synthetic Substitute |
| Qualifier | Z No Qualifier |
Operation Definition
Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part
Procedure Overview
Replacement procedures in the upper bones involve removing all or part of a bone in the skull, face, thorax, or upper limb and substituting it with a device or biological material that takes over its structural role. Cranioplasty with a synthetic plate after a skull defect, and prosthetic reconstruction of a portion of the humerus or clavicle following tumor removal, are typical examples.
These procedures are performed when a bone is too damaged, diseased, or absent to be repaired or repositioned, and the patient needs a physical substitute to maintain the shape of the skull or the mechanical function of a limb. The material can be a synthetic implant, such as titanium mesh or bone cement, or biological tissue, such as an allograft.
Anatomy & Axis Detail
Thoracic Vertebra
A thoracic vertebra is one of the twelve spinal bones that anchor the rib cage posteriorly and bear substantial axial load while sheltering the spinal cord through the narrow thoracic canal. Replacement is coded when disease, most often metastatic tumor, severe burst fracture, or osteomyelitis, destroys enough of the vertebral body that it is excised and reconstructed with a synthetic device, such as an expandable cage or structural spacer, rather than repaired or fused with the patient's own tissue alone. Because the thoracic spinal canal is relatively narrow and the cord here has limited blood supply and little room for retraction, these procedures carry meaningful neurologic risk and are usually combined with separately coded instrumented fixation. Documentation should confirm device-based reconstruction of the vertebral body rather than decompression or fusion alone.
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.
Coding & Documentation
Coding from this family requires documentation that a body part was actually taken out and something physically put in its place, not simply reinforced. The device value must match the material used - synthetic versus autologous versus nonautologous tissue - so operative notes describing the graft source matter for accurate code selection. A recurring error is coding replacement when the native bone was left in place and only augmented, which belongs under supplement instead. Coders should also confirm whether the replaced segment is a full bone or only a portion, since this affects the body part value chosen.