

Cerebral spinal fluid (CSF) collection is a test to look at the fluid that surrounds the brain and spinal cord. Cerebral spinal fluid acts like a cushion, protecting the brain and spine from injury. The fluid is normally clear. The test is also used to measure pressure in the spinal fluid.
See also: CSF culture
Spinal tap; Ventricular puncture; Lumbar puncture; Cisternal puncture; Cerebral spinal fluid culture