A Closer Look at Biomechanical Cage & Device Coding Effective January 1, 2017, CPT® code 22851 was deleted from the CPT code set and replaced by three new codes to report insertion of biomechanical devices: CPT Code 22853 – Insertion of interbody biomechanical device(s) (eg, synthetic cage, mesh) with integral anterior instrumentation for device anchoring (eg, screws, flanges), when performed, to intervertebral disc space in conjunction with interbody arthrodesis, each interspace (List separately in addition to code for primary procedure) CPT Code 22854 – Insertion of intervertebral biomechanical device(s) (eg, synthetic cage, mesh) with integral anterior instrumentation for device anchoring (eg, screws, flanges), when performed, to vertebral corpectomy(ies) (vertebral body resection, partial or complete) defect, in conjunction with interbody arthrodesis,
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