Test Code LAB27 Gentamicin, Random, Plasma
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Methodology
Quantitative Microsphere System (QMS)
Literature References:
Package Insert: Gentamicin GENT by Thermo Scientific 09/2014.
Specimen Requirements
Specimen Type: Plasma
Container/Tube:1 mint green-top (lithium heparin) tube
Specimen Volume: Full tube
Additional Information: Date and time of draw are required.
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour
Routine: 4 hours
Test Classification and CPT Coding
80170-Gentamicin
Reference Values
Setting | Target Range |
Unspecified indication | N/A |
UTI/GPC synergy* | N/A |
Systemic illness | N/A |
Sepsis | N/A |
Physician alert value (automatic call-back) | ≥ 45 mcg/mL |
*UTI/GPC synergy refers to the synergistic effect of aminoglycosides with other antibiotics in treating urinary tract infections caused by gram-positive cocci (eg, Enterococcus).
Specimen Transport Temperature
Ambient
Additional Information
For BJH Laboratory Use Only
Alternate Tube:
Dark-green top (lithium heparin)
Red-top tube
Lavender-top (EDTA) tube
Separator gel tube is acceptable but not preferred.
Analyte Stability:
- Specimens must be processed within 8 hours.
- Processed sample stability:
- Ambient - 8 hours
- Refrigerated (2 - 8°C) - 2 days
- Frozen (≤ -20°C) - 2 weeks
- See Analyte Stability Chart under General Information for a complete list.
Laboratory Processing Instructions:
Test performed in BJH Core Lab. Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days.
LOINC Code Information
Name | LOINC Code |
Gentamicin, Random, Plasma | 3664-0 |