Zinc in Cerebrospinal Fluid (CSF)
This test measures the amount of zinc, a mineral important for immune function and nerve health, found in your cerebrospinal fluid (the fluid surrounding your brain and spinal cord).
["Zinc in CSF may help assess neurological or immune-related conditions."]
Key facts at a glance
- LOINC
- 32348-5
- Short code
- Zinc CSF-sCnc
- Synonyms
- Zinc CSF-sCnc
- Category
- chemistry
- Sample
- csf
- Container
- Sterile tube
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Specimen volume
- 1-2 mL
- Stability
- Immediate analysis required, Refrigerated: 1h
- Hemolysis max
- 200
- TAT
- 4–24 hours
- Order
- routine
Why Might This Test Be Ordered?
Your healthcare provider may order this test if you have symptoms like headaches, neurological issues, or signs of an infection in the central nervous system. It could also be part of evaluating conditions such as meningitis, encephalitis, or certain metabolic disorders.
What Does the Test Involve?
A small amount of cerebrospinal fluid is collected through a procedure called a lumbar puncture (spinal tap). The fluid is then analyzed for zinc levels using a specialized laboratory method.
What Do Results Typically Mean?
Results are compared to a reference range specific to the lab, but zinc levels in CSF can vary based on health status, age, and other factors. Abnormal findings may require further evaluation by your doctor.
What Are Possible Causes of Abnormal Results?
Low zinc levels in CSF might be linked to infections, inflammatory diseases, or certain genetic conditions. High levels could be associated with metabolic disorders or specific neurological conditions. Always discuss results with your healthcare provider.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Zinc in CSF is less commonly used than serum zinc but can provide unique insights into neurological or immune-related processes. It is particularly useful in diagnosing conditions affecting the central nervous system or identifying metabolic imbalances that may not be detected by blood tests alone.
Short name
CSF Zinc
Frequently asked questions
Why would my doctor want to check my CSF zinc level?
How is the CSF collected for this test?
What are the typical reference ranges for CSF zinc?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy