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HelpTest Code 4010121 Calcium
Specimen Requirements
1.0 mL serum or lithium heparin plasma
Container
PST (light green top) tube or SST (tiger, gold, or red top) tube
Minimum Volume
55 µL serum/plasma
Stability
8 hours at room temperature, 2 days at 2-8°C
May be frozen at -20°C for longer storage
Analytical Time
Same day
Available stat
Sample Retention Time
7 days
Method
Photometry
CPT Code
82310
Performing Laboratory
Springfield Hospital Laboratory
Reject Due To
Improperly labeled sample