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
Sodium heparin (Na hep) plasma
Immediatley following collection, mix sample by gently inverting 5 times
- Allow sample to clot for a minimum of 30 minutes
- 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
01/12/2024