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HelpTest Code LAB35 Theophylline
Specimen Requirement
1.0 mL serum or Lithium Heparin plasma; SST and PST acceptable.
Avoid prolonged contact with red blood cells.
Specimen Stability
8 days at 2-8° C
3 months at -20° C
Testing Schedule
Daily
Reference Range
10 - 20 ug/mL
Testing Department
Chemistry
Method
Enzyme Immunoassay
CPT Code
80198
Outpatient Turnaround Time
24 hours after receipt
Inpatient STAT Turnaround Time
45 minutes after receipt
Inpatient Routine Turnaround Time
4 hours after receipt