Order Code: C103
ABN Requirement: No
Volume: 0.5 mL
Minimum Volume: 0.2 mL
Container: Gel-barrier tube (SST, Tiger Top)
- Collect and label sample according to standard protocols.
- Gently invert tube 5 times immediately after draw. DO NOT SHAKE.
- Allow blood to clot 30 minutes.
- Centrifuge at 1300 rcf for 10 minutes.
Transport: Store serum at 2°C to 8°C after collection and ship the same day per packaging instructions provided with the Cleveland HeartLab, Inc. shipping box.
Ambient (15-25°C): 14 days
Refrigerated (2-8°C): 14 days
Frozen (-20°C): >14 days
Deep Frozen (-70°C): >14 days
Causes for Rejection: Specimens other than serum; improper labeling; samples not stored properly; samples older than stability limits; hemolyzed or grossly lipemic specimens.
Methodology: Ion Specific Electrode (ISE) test
Turn Around Time: 1 to 3 days
|Age||Critical Low, mmol/L||Critical High, mmol/L|
Intended Use: A sodium test may be ordered to monitor electrolyte balance. A sodium test can be used to detect hyponatremia or hypernatremia associated with dehydration, edema, and a variety of diseases.
Limitations: Grossly lipemic specimens cause pseudohyponatremia as a result of fluid displacement.