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Taurine, Cerebrospinal Fluid — Qualitative

Published: August 9, 2026Updated: August 16, 2026

A qualitative cerebrospinal fluid test that checks for the presence of taurine, an amino sulfonic acid involved in brain and nervous system function.

Quick summary

["This test reports whether taurine was detected in a sample of cerebrospinal fluid."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
17679-2
Short code
Taurine CSF Ql
Synonyms
Taurine CSF Ql
Category
urine
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What is this test?

This test examines cerebrospinal fluid, the clear fluid that surrounds the brain and spinal cord, for the presence of taurine. Taurine is a compound that supports normal brain, nerve, muscle, and eye function.

Why might I need this test?

A cerebrospinal fluid taurine test may be ordered as part of an evaluation of unexplained neurologic symptoms or a suspected metabolic or genetic condition. It is usually interpreted together with other laboratory findings and the person's symptoms.

How is the test performed?

Cerebrospinal fluid is collected through a lumbar puncture, or spinal tap, by a trained healthcare professional. The laboratory then uses a validated method to determine whether taurine is present and reports the result as detected or not detected.

How do I prepare for the test?

Follow your healthcare professional's instructions about the lumbar puncture and any laboratory preparation. Fasting is not generally required for this test, but tell the care team about medicines, supplements, recent illness, and pregnancy because these may affect collection or interpretation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

A result showing taurine was not detected may reflect a very low concentration, a collection or handling issue, or normal biological variation. Detection or an unexpectedly high or low measured level may be associated with metabolic or neurologic conditions, but interpretation depends on the laboratory method, age, diet, and other test results.

Short name

CSF Taurine

Frequently asked questions

Is cerebrospinal fluid the same as blood or urine?
No. Cerebrospinal fluid surrounds the brain and spinal cord and is usually collected by a lumbar puncture, also called a spinal tap.
What does a qualitative result mean?
A qualitative result reports whether taurine was detected rather than providing a specific concentration. The laboratory's method and reporting limits determine how sensitive the result is.
Does an abnormal result confirm a specific disease?
No. This result is interpreted with symptoms, medical history, and other laboratory studies. A specialist may be needed to determine its clinical significance.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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