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Test Code SFLAC Lactic Acid, CSF, LAB187

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

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

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.

Day(s) Test Set Up

Monday through Sunday

Methodology

Oxidation of Lactate to Pyruvate

Test Classification and CPT Coding

83605