Theophylline-248

Test info

  
Theophylline
  
248
  
80198.0
  
THE
  
Aminophylline
Slo-bidĀ®
TheodurĀ®
Elexophyllin
  

Therapeutic Drug Management

Specimen

  
Serum
  
  
1.0 mL
  
0.3 mL
  

Trough levels are most reproducible; occasionally peaks at 1 1/2 hours post dose.

  
  1. Allow sample to clot
  2. Spin
  3. Transfer serum to a Serum/plasma transfer vial/tube (MedTox), labelled as serum, within two (2) hours of sample collection
  
  
Heparin plasma
  

Dk green heparin (Li or Na), no gel

 

  

Immediatley following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

  
  1. Spin
  2. Transfer plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as the appropriate plasma type, within two (2) hours of sample collection
  

Refrigerated (preferred) - 7 days

Ambient - 3 days

Frozen (OK)

Performance

  
MedTox Laboratories (117): R-MX
  
Daily
  
1 - 2 days
  

Immunoassay (IA)

Clinical and Interpretive info

  

Therapeutic: 10.0 - 20.0 µg/mL

  

Two months and older: > 25.0 µg/mL

Billing

  
80198

Tracking

  
11/30/2001
  
04/13/2022
  
04/11/2022