Test Information:
Theophylline (1,3‑dimethylxanthine) is an effective bronchodilator and it can be used to treat asthma, chronic obstructive pulmonary disease and chronic bronchitis; it can also be used for the treatment of left ventricular and congestive cardiac failure.
Specimen Container:
Gold Top SST Tube (with clot activator) or Red Top Tube (Plain) – USE PLASTIC TUBE ONLY
Specimen Type:
Serum
Required Volume:
2 mL
Patient Preparation:
No Patient Preparation
Notes:
The following information must be provided upon specimen endorsement via Internal Message or Remarks.
1. Last dose and dosage of medication
2. Date and Time of collection
Storage & Stability
(Before Processing)
- Storage: 2 to 8°C
Stability: 1 week capped - Storage: – 20°C (± 5 °C)
Stability: 60 days capped
FREEZE ONLY ONCE!
Transport Temperature:
Ref (2˚C – 8˚C)
Test Category:
Routine
Test Schedule:
Daily
Results Availability:
Within 4 hours