Theophylline

Specimen

Serum sample collected immediately before a dose (or if this is not possible, at least 6 hours after the dose). Please provide details of the daily dosage, the time of the last dose and the sample time

Units

mg/L

Reference Range

10 – 20 mg/L

Test Usage

TDM

Turn around Time

4 day

Availability

Local test, batched and run on Tuesdays and Fridays (can be run urgently is there is a clinical need, please contact the Duty Biochemist on Tel: 01392 402935 option 2 then option 1 to discuss).

Can be added on to an existing request up to 4 days following sample receipt