Neuron Specific Enolase, Serum (Referred Out) - Saskatoon
Discipline
Biochemistry
Overview
Alias
- NSE
- NSE enolase
Specimen Information
Specimen types accepted
- Serum
Specimen collection container
- Preferred collection container: Red (non-gel)
- Alternative collection container: Gold (not preferred)
Required volume
- Optimal volume: Full 4.0 mL collection tube
- Minimum volume: 0.5 mL serum
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Transport and stability
- Specimens should not be transported by tube system prior to centrifugation
- Stable 7 days refrigerated
- Preferably ship refrigerated
Rejection criteria
- Mild or gross hemolysis or icterus
- Specimens received where the collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Testing Information
Clinical interpretation
- A follow-up marker in patients with neuron-specific enolase-secreting tumors of any type
- An auxiliary test in the diagnosis of small cell lung carcinoma
- An auxiliary test in the diagnosis of carcinoids, islet cell tumors and neuroblastomas
- An auxiliary tool in the assessment of comatose patients
Performance
Methodology
- Homogenous Time-Resolved Fluorescence
Days/times performed
Availability |
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Testing site |
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Maximum laboratory time
- One to two day turnaround time by testing laboratory
Last Updated: October 28, 2024