This test may be ordered to help diagnose and monitor conditions that affect the brain or spinal cord, such as meningitis, encephalitis, brain tumors, or traumatic injury to the central nervous system.
When this test is required
This test is typically ordered when a healthcare provider suspects that a patient may have an infection or other condition affecting the central nervous system.
What the Test Detects
This test measures the amount of glucose in CSF.
Preparation for the Test
The patient may be asked to fast for a few hours before the test.
Sample Requirements
This test requires a sample of CSF, which is collected through a procedure called a lumbar puncture (spinal tap).
Additional Notes
It is important to follow all instructions given by the healthcare provider before and after the lumbar puncture procedure. In rare cases, this procedure may cause side effects, such as headache or infection.