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Theophylline
MessageNot recommended for treatment of neonatal apnea.
Test Code
3057
Alias/See Also
Aminophylline; Elixophyllin
Preferred Specimen
One 5 mL plain red.
Minimum Volume
1 mL serum at 2-8°C. (Min: 0.2 mL) Submit specimen in original tube.
Transport Temperature
1 mL serum at 2-8°C. (Min: 0.2 mL) Submit specimen in original tube.
Specimen Stability
After separation from cells: Ambient: 4 hours; Refrigerated: 1 week; Frozen: 2 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens collected EDTA, oxalate, heparin, or citrate anticoagulated.
Methodology
Reflectance Spectrophotometry
Setup Schedule
Sun-Sat
Report Available
Within 24 hours
Limitations
Separate serum from cells ASAP.
