CPT® Code 62270

A lumbar spinal puncture, also known as a lumbar tap, is a medical procedure that involves the insertion of a needle into the lower back region to access the spinal canal. This procedure is primarily performed for diagnostic purposes, allowing healthcare providers to collect cerebrospinal fluid (CSF) for analysis. The CSF is a clear fluid that surrounds the brain and spinal cord, and its analysis can provide critical information regarding various medical conditions. Common indications for performing a lumbar puncture include symptoms that may suggest an infection, such as meningitis, the presence of a malignant neoplasm, or bleeding conditions like subarachnoid hemorrhage. Additionally, it is utilized in the evaluation of neurological disorders such as multiple sclerosis and Guillain-Barre syndrome. The procedure begins with the disinfection of the skin over the lumbar spine, followed by the administration of a local anesthetic to minimize discomfort. A specialized lumbar puncture needle is then carefully inserted into the spinal canal to collect CSF specimens, which are subsequently sent to a laboratory for further evaluation. This procedure is essential for diagnosing various conditions and guiding appropriate treatment plans.