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HelpTest Code 4010233 Magnesium
Specimen Requirements
1.0 mL serum or heparinized plasma
Container
PST (light green top) tube or SST (tiger, gold, or red top) tube
Minimum Volume
55 µL serum/plasma
Stability
Separated samples are stable 24 hours at room temperature, 7
days at 2-8°C
May be frozen at -20°C for up to 1 year
Reject Due To
Improperly labeled sample
Analytical Time
Same day
Available stat
Sample Retention Time
7 days
CPT Code
83735
Method
Photometry
Performing Laboratory
Springfield Hospital Laboratory