Days Set Up
Daily, 24 hours
Analytic Time

2 hours

MiChart Code
Theophylline Level
Soft Order Code
THEO

Test Updated:

Synonyms

Aminophylline
Aminophylline, Blood
THEO
THEOPHYLLINE
THEOPHYLLINE LEVEL

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

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MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Kinetic Immunoassay (KIMS)

Test Usage

Monitor therapeutic drug level, evaluate theophylline toxicity

Reference Range

Therapeutic: 10-20 mcg/mL. Toxic > 25 mcg/mL. Neonatal apnea: 6-12 mcg/mL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect blood in a red top tube. Centrifuge, aliquot serum into a plastic vial, and refrigerate.

Red Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum

Billing Information

CPT Code
80198
Pro Fee Code
 
LOINC
4049-3

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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