Theophylline

Test Code
THEOPHYLLINE


Alias/See Also
Aminophylline
Chemistry


Preferred Specimen
Plain Red Top Tube


Transport Temperature
Refrigerate


Specimen Stability
Room temperature: 2 days. Separate if not tested within this time.
Refrigerated (2-8°C): 8 days
Frozen (-20°C or colder): 3 months


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Collected in gel tube


Methodology
Chemiluminescent microparticle immunoassay

Setup Schedule
Daily


Report Available
TAT 1 day


Reference Range
10.0 - 20.0 ug/mL


Clinical Significance
Theophylline is used in the treatment of bronchial asthma as well as in the treatment of chronic obstructive pulmonary disease and episodes of prolonged apnea in pre-term infants. Theophylline levels are monitored to assure adequate therapeutic levels are achieved and to avoid toxicity.


Performing Laboratory
Test performed at West Roxbury Chemistry Lab
Contact: Jonathan Dryjowicz-Burek 857-203-5973
 


Last Updated: April 10, 2019


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.