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HelpTest Code 4010110 Lithium
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
55µL serum
Stability
24 hours at room temperature, 7 days at 2-8°C
May be frozen at -20°C for up to 6 months
Analytical Time
Same day
Available stat
Sample Retention Time
7 days
Method
Photometry
CPT Code
80178
Performing Laboratory
Springfield Hospital Laboratory
Reject Due To
Improperly labeled sample
Tubes utilizing lithium heparin as a preservative