Theophylline (Aminophylline) | Mclendon Clinical Laboratories | UNC Medical Center, Hospitals

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Tube Type

Test ID		LAB35
EPIC Order		THEOPHYLLINE LEVEL
CPT Code(s)		80198
Group/Individual Test		Individual
Laboratory		Core Referral Testing
Tube Station		30
Specimen	Routine:	7 mL blood /green lithium heparin gel tube/red plain or gold SST tube also acceptable; See comments
	Micro:	1.5 mL blood
Availability		Reference Laboratory - UNC Rex Health Care
Turnaround Time		2 - 3 days
Reference Range		See separate report
Comments		Samples must be processed within 2 hours of collection.

Reviewed by J. Carr on December 15, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514