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Amoxicillin : 94095
Test CodeAMOXI or 94095
CPT Codes
80299
Instructions
Specimens collected just before or within 15 minutes of the next antibiotic dose represent the trough level.
Specimens obtained within 15-30 minutes after the end of IV infusion, or 45-60 minutes after an im injection, or 90 minutes after oral intake represent the peak level.
Specimens obtained within 15-30 minutes after the end of IV infusion, or 45-60 minutes after an im injection, or 90 minutes after oral intake represent the peak level.
Transport Container
Preferred Specimen
1 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.5 mL
1 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.5 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 72 hours; Refrigerated: 14 days; Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum Separator Tubes (SST®); Other body fluids
Methodology
Chromatography/Mass Spectrometry
Setup Schedule
Wednesday; Saturday
Report Available
1-5 days
Reference Range
See report
Clinical Significance
The concentration of antimicrobial agents in body fluids, most notably serum or plasma, are used to regulate therapy to ensure effective dosing (especially with oral agents where GI absorption is in question), to monitor accumulation to help minimize toxicity, and to help evaluate the pharmacokinetics of new agents. Both peak and trough levels obtained immediately after dosing or immediately prior to new dosing, respectively, may be monitored.
Performing Laboratory
med fusion
