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HelpTest Code 4010236 Theophylline
Specimen Requirements
1.0 mL serum or plasma
Container
SST (tiger, gold, or red top) tube or PST (light green top) tube
Minimum Volume
65 µL
Stability
Separated samples stable 8 hours at room temperature, 7 days at
2-8°C
May be frozen at -20°C for up to 3 months
Reject Due To
Improperly labeled sample
Analytical Time
Same day
Available stat
Sample Retention Time
7 days
CPT Code
80198
Method
Chemiluminescent Immunoassay
Performing Laboratory
Springfield Hospital Laboratory