- Test Name
- Theophylline
- Aliases
- TH; THEO
- Provincial Mnemonic
- THEOP
- LOINC Test Code
- 14915-3
- Description and Primary Use
- Theophylline Is used in treatment of bronchospasm associated with brochial asthma, chronic bronchitis and pulmonary emphysema. Levels are used in diagnosis and treatment of theophylline overdose or in monitoring levels to help ensure appropriate therapy.
- Reorder interval
- Not yet defined
- TAT
- ≤3 Days
- Test Cost
- Not Available
- Tier
- 1 - General Availability
- Ordering Requirements (Restrictions / Conditions)
No Restrictions
- Required Consultations
- None
- Algorithms and Guidelines
None
- Special Patient Preparation
Trough: Just before next dose. 2hr post-dose for immediate release format 4hr post-dose for twice daily release format. 10hr post dose for once daily slow release format.
- Special Collection / Transport / Processing Requirements
No special requirement
- Criteria for Rejection
Samples that are grossly hemolyzed should not be used.
- Laboratory Service Area
- Clinical Chemistry
- Performing Laboratory / Site
- Category 4 Laboratory (HSC only)
- Last Updated
- 18-Sep-19