Orotic Acid in Cerebrospinal Fluid (CSF)
This test measures the level of orotic acid in your cerebrospinal fluid, which may help assess metabolic or neurological conditions.
["Orotic acid levels in CSF can signal underlying health concerns requiring further evaluation."]
Key facts at a glance
- LOINC
- 75126-3
- Short code
- Orotate CSF-sCnc
- Synonyms
- Orotate 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 This Test Might Be Ordered
Your healthcare provider may recommend this test if you have symptoms like neurological issues, developmental delays, or signs of metabolic disorders. It could also be part of a broader evaluation for conditions affecting the central nervous system or genetic metabolic diseases.
What to Expect Before the Test
No special preparation is typically needed. You may be asked to fast or avoid certain foods/drinks for a few hours beforehand, depending on your provider’s instructions. A lumbar puncture (spinal tap) will be performed to collect CSF for testing.
Elevated orotic acid levels in CSF might suggest conditions like orotic aciduria, a rare inherited metabolic disorder. Abnormal results may prompt additional testing or a referral to a specialist.
Normal results usually indicate no significant metabolic or neurological issues related to orotic acid levels in this fluid. However, results alone don’t diagnose a condition—your provider will interpret them in context with your symptoms and medical history.
Common Conditions Linked to Abnormal Results
High levels may be associated with metabolic disorders like orotic aciduria, which can affect how your body breaks down certain nutrients. Low or unclear levels may warrant further investigation for other neurological or genetic conditions.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Orotic acid in CSF is rarely measured for routine screening but can be critical in diagnosing rare genetic disorders or metabolic diseases affecting the nervous system. Results should always be reviewed by a healthcare provider familiar with your medical history.
Short name
CSF Orotic Acid
Frequently asked questions
What causes orotic acid to be measured in CSF?
How is CSF collected for this test?
Can lifestyle changes affect orotic acid levels in CSF?
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