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Neuron Specific Enolase, CSF

Test Code
39239


CPT Codes
86316

Preferred Specimen
0.5 mL CSF collected in a leak-proof container


Minimum Volume
0.5 mL


Instructions
Separate from cells within 1 hour of collection. Transfer 0.5 mL CSF to a Standard Transport Tube. (Min: 0.5 mL).


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 1 year


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis


Methodology
Quantitative Immunoassay

Setup Schedule
Set up: Mon, Wed, Fri; Report available: 1-8 days


Reference Range
≤ 21.5 ng/mL


Clinical Significance
Use to detect neuron specific enolase, which may be a nonspecific marker of neuronal damage.




The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.