Casandra
Casandra Test Code AR71303Version 1 (DRAFT)
Performing Lab
Tobramycin, Trough Level
Also known as: TOBRAT
Clinical Use
Order TestUse
Optimize drug therapy and monitor patient adherence for tobramycin by measuring trough serum or plasma levels, aiding in therapeutic drug monitoring and minimizing toxicity risks.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
New York Approved
Methodology
Immunoassay
Biomarkers
Tobramycin
AnalyteTobramycin Trough • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Order Codes
- 35670-9
Result Codes
- 35670-9
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube.
Minimum Volume
0.5 mL
Container
Plain red tube; also acceptable: Green (sodium or lithium heparin)
Collection Instructions
Draw 5-90 minutes before next infusion.
Storage Instructions
Refrigerated; if transport is prolonged: Frozen.
Causes for Rejection
Citrate, oxalate/fluoride, or separator tubes. Hemolyzed specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | After separation: Ambient: 4 hours |
| Refrigerated | 1 week |
| Frozen | 2 weeks |