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1659X: Lactic Acid, CSF Print View
Lactic Acid SP    mg/dL 

PRIMARY
1 CSF 1 (0.5) mL   Frozen - 3 Month(s)/Refrigerated - 24 Hour(s)/Room Temperature - 3 Hour(s)  
ALTERNATE

Lactic Acid levels in CSF normally parallel blood levels. Increased CSF Lactic Acid levels occur in trauma, seizure, brain abscess, Multiple Sclerosis, and bacterial meningitis.

If specimen is not clear or contains blood, centrifuge and separate
supernatant before freezing.

The assay manufacturer, Roche, notes that N-acetylcysteine, when
administered in high concentrations (such as for treatment of
acetaminophen overdose), can interfere with their assay for Lactate
(Lactic Acid), leading to falsely low results.
Setup Schedule
Sunday-Saturday

Reported (Analytical Time)
Same day

CPT Code
83605

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Transport Temperature: Frozen Rejection Criteria: Sample received not frozen, Gross hemolysis






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