Deoxyuridine in Cerebrospinal Fluid (DURCSF)

Why This Test Might Be Ordered

Your healthcare provider may order this test if they suspect conditions like mitochondrial disorders, certain genetic metabolic diseases, or neurological conditions that involve abnormal nucleotide metabolism in the brain. It may also be part of a broader evaluation for unexplained neurological symptoms or genetic testing.

What to Expect Before the Test

No special preparation is typically needed. The test involves a lumbar puncture (spinal tap) where a small amount of CSF is collected. You may experience mild discomfort, but it is generally well-tolerated. Inform your provider about any medications or health conditions that could affect the results.

What the Results Mean

Deoxyuridine levels in CSF can vary widely depending on the underlying condition. Elevated levels might suggest certain metabolic or genetic disorders, while normal levels do not rule out all conditions. Results are interpreted in the context of your overall health and medical history by a healthcare professional.

Common Conditions Monitored

This test is often used to monitor conditions such as mitochondrial disorders, which affect how cells produce energy, or certain genetic disorders involving nucleotide metabolism. It may also be part of investigations for unexplained neurological symptoms or genetic testing.