A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Theophylline Trough

Test Code
3040002600


Alias/See Also
1231100275


CPT Codes
80198

Includes
THEOPHYLLINE TROUGH


Preferred Specimen
Green Lithium Heparin (Gel separator preferred)


Minimum Volume
0.5 mL plasma


Instructions
Specimen must be centrifuged within 2 hours after collection and plasma pulled off cells.


Specimen Stability
Refrigerated: <= 3 months


Methodology
Abbott Alinity

Reference Range
Males/Females:
0-30 Days: 5.0-15.0 ug/mL
30 Days and above: 10.0-20.0 ug/mL


Performing Laboratory
LITTLE ROCK LABORATORY


Last Updated: August 26, 2026


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.