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Neuron Specific Enolase, CSF
Test Code39893
CPT Codes
83520<br /> Restricted Client Code
Preferred Specimen
0.5 mL CSF collected in a sterile vial
Minimum Volume
0.3 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 15 days
Refrigerated: 15 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Gross icterus
Methodology
Homogeneous Time Resolved Fluorescence (HTRF)
Setup Schedule
Set up: Mon-Sat; Report available: 4 days
Reference Range
Normal: < or =15 ng/mL
Indeterminate: 15-30 ng/mL
Elevated: >30 ng/mL
Indeterminate: 15-30 ng/mL
Elevated: >30 ng/mL
Clinical Significance
An auxiliary test in the diagnosis of Creutzfeldt-Jakob disease An auxiliary test in the diagnosis of small cell lung carcinoma metastasis to central nervous system or leptomeninges.
