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Gentamicin, Random
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
GENR
Alias/See Also
70390;
Garamycin;
Gent;
G-Myticin
Garamycin;
Gent;
G-Myticin
CPT Codes
80170
Preferred Specimen
Serum
Other Acceptable Specimens
Lithium Heparin Tube (Light Green Top) tube
Instructions
If the patient is also receiving penicillins and/or cephalosporins, separate and freeze serum if testing will not be completed with 8 hours.
Avoid hemolysis. Invert a minimum of 5 times then allow to clot in an upright position for 60 minutes. Centrifuge the tube for at least 10 minutes. Transfer to a plastic transport tube.
Avoid hemolysis. Invert a minimum of 5 times then allow to clot in an upright position for 60 minutes. Centrifuge the tube for at least 10 minutes. Transfer to a plastic transport tube.
Transport Container
Send serum from red top in in a screw-top transfer tube.
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature = N/A
Refrigerated = 1 week
Frozen = 4 weeks
Refrigerated = 1 week
Frozen = 4 weeks
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.
Methodology
Immunoassay
Setup Schedule
24/7
CH
CH
Report Available
1 day
Clinical Significance
Gentamicin is an aminoglycoside antibiotic used in the treatment of gram-positive and gram-negative bacterial infections, especially Pseudomonas, Proteus, Klebsiella and Staphylococcus. Gentamicin is potentially nephrotoxic and ototoxic. Serial monitoring of peak and trough serum levels may provide the clinician with information to maintain safe and therapeutic levels.
Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
Last Updated: September 11, 2023