Theophylline

Overview

  • EPIC Code:
  • LAB35
  • Soft Test Code:
  • THEO
Alternate Names
  • Aminophyllin
  • Aminophylline
  • Theo
  • Theo-Dur
  • Theodur
  • Theolair
  • Theophylline Level
  • Theospan

Specimen Collection & Preparation

Specimen Requirements:

-OR-

1.0 mL Serum from a Red Top Tube in a Plastic Vial
Minimum Volume:
0.25 mL Serum*

* This volume does not allow for repeat testing

Collection Instructions:

Specimen should be drawn at 24 hours after oral dose; 3 to 7 hours after Theodur dose; or immediately before next dose. Order should reflect time from medication to draw.

Do not collect in a Gel Barrier Tube (PST or SST)

Green microtainer is preferred for capillary collection


Rejection Criteria:

Gel Barrier Tube (PST or SST)


Transport and Storage:
  • Refrigerated (2-8°C): 7 Days
  • Frozen (-20° C or colder): 60 Days

Clinical Interpretation

Reference Range:

10 - 20 ug/mL


Critical Ranges:

> 20 ug/mL


Methodology:
  • Immunoassay (IA)

Production Schedule

Sites Performed
  • Parkview Regional Medical Center
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Chemistry
Turn Around Time

Same day/next day


Coding & Compliance

CDM

01485116


CPT Coding

80198