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HelpTest Code 4010131 Creatinine, Serum
Specimen Requirements
1.0 mL serum or plasma
Container
PST (light green top) tube or SST (tiger, gold, or red top) tube
Minimum Volume
75 µL serum/plasma
Stability
Separated samples stable 24 hours at room temperature, 7 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
82565
Performing Laboratory
Springfield Hospital Laboratory
Reject Due To
Improperly labeled sample