Test Overview
Test Methodology
Colorimetric Enzyme Assay
Test Usage
Lactic acid in CSF normally parallels blood levels. With alterations in the CNS, CSF lactic acid levels change independently of blood values. Unlike bacterial meningitis, viral meningitis lactic acid levels in CSF are not usually elevated.
Reference Range*
No established reference range.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Test Performed
Daily, 24 hours
Analytic Time
2 hours
Soft Order Code
LACSF
MiChart Code
Lactic Acid, CSF
Synonyms
LACTIC, CSF
LACCSF
LACSF
Lactate Spinal Fluid
Laboratory
Chemical Pathology
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Specimen Requirements
Offsite Collection Instructions
Collect spinal fluid and place in a sterile tube or container. Freeze.
Normal Volume
1 mL CSF
Minimum Volume
0.5 mL CSF
Additional Information
This test has not been cleared nor approved by the U.S. Food and Drug Administration.
Billing Information
Fee Codes
CPT Code
83605
LOINC
2520-5
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