Casandra
Casandra Test Code QD67385Version 1 (DRAFT)
Performing Lab
Lactic Acid, CSF
Clinical Use
Order TestUse
Lactic Acid levels in cerebrospinal fluid normally parallel blood levels. Increased CSF lactic acid is observed in conditions such as trauma, seizure, brain abscess, multiple sclerosis, and bacterial meningitis.
Special Instructions
Not provided.
Limitations
N‑acetylcysteine, when administered in high concentrations (e.g., for acetaminophen overdose), can interfere with the assay for lactate, leading to falsely low results.
Test Details
Methodology
Automated Analyzer (Clinical Chemistry)
Biomarkers
Lactic Acid
AnalyteLactic Acid • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Cerebrospinal Fluid
Volume
1 mL
Minimum Volume
0.5 mL
Container
sterile plastic screw‑cap container
Collection Instructions
If specimen is not clear or contains blood, centrifuge and separate supernatant fluid before freezing.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 3 hours |
| Refrigerated | 24 hours |
| Frozen | 90 days |