Allantoin in Cerebrospinal Fluid (CSF) Concentration
This test measures the amount of allantoin, a breakdown product of purines, in your cerebrospinal fluid. It may be used to assess metabolic or neurological conditions.
["This test helps evaluate metabolic or neurological health through CSF analysis."]
Key facts at a glance
- LOINC
- 79691-2
- Short code
- Oxipurinol CSF-sCnc
- Synonyms
- Oxipurinol 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 request this test if you have symptoms or conditions linked to purine metabolism, such as certain genetic disorders, neurological issues, or suspected metabolic abnormalities in the central nervous system. It could also be part of a broader evaluation for conditions affecting CSF chemistry.
What Does This Test Involve?
A small amount of cerebrospinal fluid is collected through a procedure called lumbar puncture (spinal tap). The fluid is then analyzed in a lab to measure allantoin concentration. This test is typically done under sterile conditions to ensure accuracy.
What Are Common Causes for This Test?
This test may be ordered if you have symptoms like headaches, neurological deficits, or signs of metabolic disorders. It could also be part of diagnostic workup for conditions such as lysosomal storage diseases, mitochondrial disorders, or other metabolic conditions affecting purine metabolism.
What Do Results Mean?
Results are interpreted by your healthcare provider in the context of your overall health, symptoms, and other test results. Abnormal levels may suggest underlying metabolic or neurological conditions that require further evaluation.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Elevated levels of allantoin in CSF might indicate certain metabolic disorders, lysosomal storage diseases, or other conditions affecting purine breakdown. Low levels could be less common but may also warrant further investigation. This test is not routinely performed for general health screening and is usually reserved for specific clinical scenarios.
Short name
Allantoin CSF
Frequently asked questions
What does an abnormal result mean?
How is this test different from blood tests for purines?
Is this test painful?
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