CPT® Code 22841

Add-On Code

Internal spinal fixation by wiring of spinous processes is a surgical procedure that involves the stabilization of the spine through the use of wires. This technique is typically performed in conjunction with a primary procedure, such as an arthrodesis (fusion) of the spine, which aims to permanently connect two or more vertebrae. The procedure entails drilling a hole in the base of the spinous process of the superior vertebra, allowing a wire to be threaded through this hole and passed beneath the inferior vertebra. The wire is then secured tightly using a wire tightener to ensure stability. Alternatively, the procedure can involve drilling holes in both the superior and inferior vertebrae, enabling the wire to be passed through both sets of holes and subsequently tightened. This method of internal fixation is crucial for providing additional support and stability to the spinal column during the healing process following a fusion surgery.