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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