Children's Mercy Hospitals and Clinics
Name
Theophylline

CMH Lab Section
Chemistry

Specimen Requirements
1 ml of blood in a red or green top tube, no gel

Availability
Stat, Urgent, Routine

Turn Around Time
Stat: 1 hrRoutine: 2-4 hrs

Special Instructions
Drawing instructions IV-30" post loading dose; If continuous infusion follows, check level at 6 & 12 hr after beginning infusion. Oral- 2 hr post (rapid release) 4 hr post (sustained release). Monitor caffeine as well in neonates.

Methodology
Vitros

Ranges
Therapeutic: 10-20 mcg/mL
Toxic: >25 mcg/mL

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