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HelpOrderable Name LASF1 Lactic Acid, Spinal Fluid
Specimen Required
Specimen Type: Spinal fluid
Container/Tube: Sterile container
Specimen Volume: 1 mL
Collection Instructions: Centrifuge to remove any cellular material.
Useful For
Aid in differentiating between bacterial and viral meningitis
Aid in identifying increased anaerobic glycolysis or hypoxia associated with bacterial meningitis, cerebral infarction, cerebral arteriosclerosis, intracranial hemorrhage, hydrocephalus, traumatic brain injury, cerebral edema, epilepsy, and inborn errors of metabolism
Method Name
Colorimetric
Specimen Type
CSFSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | Frozen (preferred) | 60 days | |
| Refrigerated | 24 hours | ||
| Ambient | 3 hours |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
Reference Values
0-2 days: 1.1-6.7 mmol/L
3-10 days: 1.1-4.4 mmol/L
11 days-17 years: 1.1-2.8 mmol/L
>17 years: 1.1-2.4 mmol/L
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 2 daysCPT Code Information
83605