CSF glucose test

A sample of CSF is needed. A lumbar puncture , also called a spinal tap, is the most common way to collect this sample. Other methods for collecting CSF are rarely used, but may be recommended in some cases. They include: Cisternal puncture Ventricular puncture Removal of CSF from a tube that is already in the CSF,…

This test may be done to diagnose: Tumors Infections Inflammation of the central nervous system Delirium Other neurological and medical conditions

The glucose level in the CSF should be 50 to 80 mg/100 mL or 2.77 to 4.44 mmol/L (or greater than 2/3 of the blood sugar level). Note: Normal value ranges may vary slightly among different laboratories. Talk to your health care provider about the meaning of your specific test results. Results can also be affected by…

Abnormal results include higher and lower glucose levels. Abnormal results may be due to: High blood sugar (hyperglycemia) Infection (bacterial or fungus) Inflammation of the central nervous system Tumor

Deluca GC, Griggs RC. Approach to the patient with neurologic disease. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine . 26th ed. Philadelphia, PA: Elsevier; 2020:chap 368. Euerle BD. Spinal puncture and cerebrospinal fluid examination. In: Roberts JR, Custalow CB, Thomsen TW, eds. Roberts and Hedges' Clinical…