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HelpTest Code LAB27 Gentamicin - Random
Performing Laboratory
Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center / Ashland Community Hospital
Specimen Minimum Volume
0.5 ml
Billing Code
2050599
Methodology
Turbidimetric Inhibition
Specimen Requirements
RRMC:
Lithium Heparin Green top tube
TRMC:
Plain Red top tube No SST or PST
Patient preparation: Consult with pharmacy
Draw 12 hours after the start of infusion of first dose
Performing Department
Chemistry
Day(s) Test Set Up
Monday through Sunday
Routine – same day
ASAP – 2 hours after receipt of specimen in lab
STAT – 1 hour after receipt of specimen in lab
Test Classification and CPT Coding
80170 - Gentamicin
Additional Information
Gentamicin is an aminoglycoside antibiotic which exhibits high action against both gram positive and gram negative bacteria. It exhibits a narrow therapeutic range which makes it hazardous, especially in patients with impaired renal function.
Specimen Transport Temperature and Stability
Centrifuge and refrigerate within 2 hours of collection
Primary tube: Spun SST stable 48 hours at 2° to 8° C
Serum stable 48 hours if aliquoted and refrigerated at 2° to 8° C
Reasons for Rejection
Icterus
Lipemia
Hemolysis
Quantity not sufficient (QNS)
Lack of Two Patient Identifiers:
1-Patient's First & Last name
2-Patient's Date of Birth