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HelpTest Code 4015932 Transferrin Saturation
Specimen Requirements
1.0 mL serum only
NOTE: Serum should be separated from cells within 2 hours of collection.
Container
SST (tiger, gold, or red top) tube
Minimum Volume
175 µL serum
Stability
4 days at room temperature, 7 days at 2-8°C
May be frozen at -20°C for 1 month
Reject Due To
Tubes other than SST or Red Top
Incorrectly labeled sample
Analytical Time
Same day
Sample Retention Time
7 days
Method
Photometry
Performing Laboratory
Springfield Hospital Laboratory