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Test Code SFLAC Lactic Acid, CSF, LAB187


Oxidation of Lactate to Pyruvate

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: CSF fluid obtained from a spinal tap

Sample Volume: 0.1 mL of spinal fluid in a screw-capped, sterile, vial.

Stability: Specimens should be centrifuged within 15 minutes and analyzed within 8 hours

               of collection when kept refrigerated or at room temperature. 

Note: Maintain sterility and forward promptly.



Reference Values

0.6-2.2 mmol/L

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding


Useful For

Lactate levels in CSF are increased in bacterial meningitis, hypocapnia, hydrocephalus, brain abscesses, cerebral ischemia and any clinical condition associated with reduced oxygenation of the brain and/or increased intracranial pressure.

Report Available

1 hour