Specimen Requirements

Title

THEOPHYLLINE

Specimen Requirement

1 SST/1.0 mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate.

Methodology

Stability

Refrigerated: 1 month; Frozen: 3 months

Reference Range

By Report

Turnaround

1 day

Clinical Use

Theophylline is a bronchodilatory drug used in the treatment of asthma and other airway diseases. Theophylline opens airways by relaxing the smooth muscles in the airway walls. It can also be helpful in patients with chronic bronchitis and emphysema when their symptoms are related to airway narrowing.

Test Code

THEOP