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HelpTest Code LAB35 Theophylline
Department
CHEMISTRY
Primary Collection Container
Green PST (Lithium Heparin)
Alternate Collection Container
Green Microtainer PST
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
If testing is delayed longer than 8 hours, plasma must be removed from gel.
Stability
Refrigerated: 48 Hours.
Minimum Testing Volume
0.5 mL
Reference Range
0-6 mo 5-10 µg/mL
>6 mo 10-20 µg/mL
Methodology
Roche c503 The assay is based on the kinetic interaction of microparticles in a solution (KIMS).
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
80198
Unacceptable Conditions
Specimens stored longer than 8 hours on gel.