Tobramycin, trough-829

Test info

  
Tobramycin, trough
  
829
  
80200.3
  
TBT
  
Nebcin
  
  • Amikacin cross‑reacts with this assay.
  • Kanamycin cross-reacts significantly; however, the assay has not been optimized to quantitate this aminoglycoside

Specimen

  
Lithium heparin (Li hep) plasma
  
  
1.0 mL
  
0.4 mL
  
  • Draw 30 minutes before next dose
  • Do not collect from a line
  • Immediately following collection, mix by inverting 8 - 10 times to prevent clotting

 

  

Spin within two (2) hours of sample collection

 

  

Lt green plasma separator (PST)

  
Serum
Sodium heparin (Na hep) plasma
  
  

Immediatley following collection, mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection
  

Gold serum separator (SST) tube

  
  • Date and time of last dose
  

Refrigerated (preferrred) - 3 days

Frozen - 1 month

  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis (some procedures)
  • Improper anticoagulant or ratio
  • Delay in transport
  • Improper storage temperature affecting results
  • Inappropriate timing of collection
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)

Performance

  
AHL - Chemistry: C
  
Daily
  
1 day
  

Homogeneous enzyme immunoassay

Clinical and Interpretive info

  

Therapeutic: ≤ 1.5 µg/mL

  

> 1.5 µg/mL

Billing

  
80200

Tracking

  
11/30/2001
  
12/31/2022
  
12/02/2021