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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