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Gentamicin Trough
MessageChemistry
Test Code
LAB26
CPT Codes
80170
Includes
Gentamicin
Preferred Specimen
Gold top (serum separator tube)
Minimum Volume
Whole blood: 600 uL (TWO full red-top microtainers or one full light green-top microtainer).
Serum/plasma: 300 uL
Serum/plasma: 300 uL
Other Acceptable Specimens
Red Top and light green top (lithium heparin plasma) acceptable
Instructions
LAB: Centrifuge and remove serum/ plasma within 1 hour of collection
Specimen Stability
Ambient: up to 2 hours.
Refrigerated: 7 days.
Frozen: 14 days.
Refrigerated: 7 days.
Frozen: 14 days.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contaminated, not enough volume
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Reference Range
0.6-2.0 ug/mL
Therapeutic Trough: <1 mcg/mL severe infection <2 mcg/mL life threatening infection
Toxic Trough: >2 mcg/mL
Therapeutic Trough: <1 mcg/mL severe infection <2 mcg/mL life threatening infection
Toxic Trough: >2 mcg/mL
Performing Laboratory
Hoag Newport/ Hoag Irvine