CPT® Code 61500

The procedure described by CPT® Code 61500 refers to a craniectomy that involves the excision of a tumor or other bone lesion located in the skull. This surgical intervention is necessary when tumors or lesions arise from various tissues, including bone, cartilage, blood vessels, or neuroepithelial cells, and can also include metastatic lesions that have spread from other parts of the body. During the procedure, a surgical incision is made in the skin, which is then extended through the soft tissue that covers the area of the tumor or lesion. The surgeon carefully incises and elevates the periosteum, which is the dense layer of vascular connective tissue enveloping the bones. The tumor or lesion is excised along with a margin of healthy tissue to ensure complete removal and minimize the risk of recurrence. If the periosteum is found to be healthy after the excision, it is closed over the resulting defect. However, if the periosteum is compromised and requires excision, the defect may be filled with materials such as bone wax or silicone to promote healing. Finally, the fascia and muscle layers are closed over the defect, and the scalp is sutured in a layered manner to ensure proper healing and cosmetic appearance.