Test Code THEO THEOPHYLLINE LEVEL
Additional Codes
Software | Test Code |
---|---|
Label Text | THEO |
EPIC | LAB35 |
Performing Laboratory
NorDx Laboratories
Useful For
Assessing and adjusting dosage for optimal therapeutic level
Method Name
Immunoassay (IA)
Reference Values
Therapeutic concentration:
Pediatric (asthmatic): 10.0 - 20.0 ug/mL
Pediatric (apnea): 5.0 - 20.0 ug/mL
Adults: 10.0 - 20.0 ug/mL
Toxic concentration: > 20.0 ug/mL
Days and Times Test Performed
Monday through Sunday
Report Available
1 Day
Available Stat
Specimen Type
Submit one of the following:
~ Plasma
~ Serum
Preferred Container
Plasma Separator Tube (PST)
Serum Separator Tube (SST)
Preferred Volume
Plasma: 0.5 mL (Plasma Separator Tube (PST))
Serum: 0.5 mL (Serum Separator Tube (SST))
Minimum Volume
Plasma: 0.3 mL (Plasma Separator Tube (PST))
Serum: 0.3 mL (Serum Separator Tube (SST))
Specimen Collection and Handling
Spin specimen, separate from clot and send refrigerated.
Specimen Stability Information
Specimen Type: Plasma
Frozen: 2 Months
Refrigerated: 6 Days
Must be spun/separated within: 2 Hours
Note: Freeze at -20 C for long term storage
Specimen Type: Serum
Frozen: 2 Months
Refrigerated: 6 Days
Must be spun/separated within: 2 Hours
Note: Freeze at -20 C for long term storage
Add On Capable
Yes
Advance Beneficiary Notice Requirements
No ABN Required
CPT Code Information
CPT Code |
CPT Description |
CPT Disclaimer |
---|---|---|
80198 | Drug Screen Quantitative Theophylline |
Keywords
AMINOPHYLLINE
CHOLEDYL® (OXTRIPHYLLINE)
OXTRIPHYLLINE (CHOLEDYL®)
THEOPHYLLINE (AMINOPHYLLINE))
Performing Laboratory Location
NorDx Laboratories
Clinical Significance
Theophylline and its congener, Aminophylline, are used to relax smooth muscles of the bronchial airways and pulmonary blood vessels to relieve and prevent symptoms of asthma and bronchospasms.
LOINC Code Information
4049-3
Acceptable Alternative Container(s)
Red Top Tube