cerebro-spinal tap true A spinal tap may be performed to determine if a patient has a neurological disorder. Spinal tap PERSON: Nicole Vasilevsky Lumbar Puncture CSF collection https://www.ncbi.nlm.nih.gov/pubmed/26468872 Cerebrospinal fluid collection A technique used to collect cerebrospinal fluid (CSF) from an organism, which involves inserting a needle between the third and fourth lumbar vertebrae in the back and extracting a sample of fluid. http://www.weissandnewberrymds.com/services.htm material processing