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Official Description

Laminectomy for excision of intraspinal lesion other than neoplasm, intradural; thoracic

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Common Language Description

The procedure described by CPT® Code 63271 refers to a laminectomy performed for the excision of an intraspinal lesion that is not classified as a neoplasm, specifically located in the thoracic region. Intraspinal lesions can arise from various non-neoplastic conditions, which include infectious agents such as tuberculosis, syphilis, cytomegalovirus, herpes simplex virus, bacteria, or parasites. Additionally, non-infectious lesions may occur due to conditions like sarcoidosis, multiple sclerosis, or systemic lupus erythematosus. Inflammatory lesions, which can be caused by idiopathic necrotizing processes or radiation myelopathy, also fall under this category. During the laminectomy, the surgeon makes an incision in the skin over the thoracic area, extending down to the spinous processes to access the spine. The procedure involves retracting the muscles away from the lamina and facet joint, followed by the use of a bone drill to remove part or all of the lamina, thereby exposing the spinal cord. The surgeon then identifies the lesion within the dura mater, incises the dura over the lesion, and explores the extent of the lesion. A tissue sample may be collected for pathology examination to determine the nature of the lesion. Once identified, the lesion is meticulously dissected from the surrounding tissue using an operating microscope and is removed once it is completely free from adjacent structures. This procedure is critical for addressing various non-neoplastic conditions affecting the thoracic spine and ensuring proper patient management.

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