Kenya Medical Laboratory Tests

Theophylline Test in Kenya

Brief Description

This is a blood test that is conducted to determine the levels of theophylline in the blood. Theophylline is usually prescribed in the management of newborn apnea”,” wheezing”,” dyspnoea”,” and chest tightness caused by lung diseases such as emphysema”,” chronic bronchitis or asthma.



Patient Preparation

No patient preparation is needed.

Sample Type

Serum or plasma

Sample volume

1 mL; Minimum Volume: 0.3 mL (Note: This volume does not allow for repeat testing.)

Sample collection Container

Red-top tube or green-top (heparin) tube. Do not use a gel-barrier tube.

Sample collection instructions

Collect prior to the next dose.

Sample storage

Room temperature (stable for 2 weeks)

Reference range

5.0?10.0 ?g/mL”,” adults: 10.0?20.0 ?g/mL

Results Turnaround

2 days after receipt of samples.

Diseases / Diagnostic Indicators