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Test Code 18151 Gentamicin (Trough)

Purpose

Monitoring Gentamicin levels during treatment. This aminoglycoside is used to treat serious infections caused by aerobic gram-negative bacilli (eg, a number of the Enterobacteriaceae, P aeruginosa). These include lower respiratory tract, intra-abdominal, soft tissue, bone or joint, wound, and complicated urinary tract infections; bacteremias; and meningitis (by intrathecal administration).

 

Performing Laboratory

Copley Hospital

 

Methodology

Turbidimetric Rate

 

Specimen Requirements

Specimen Type: Blood (Plasma or Serum)

Preferred: Light-Green Top

Acceptable: Gold Top

Specimen Volume: Full Tube

Specimen Minimum Volume: 2 mL

 

Collection Instructions:

1. Label specimen with patient’s full name, date of birth,

    date & time of collection, and person collecting.

2. If delay in specimen transport > 1 hour, centrifuge tube.

3. Refrigerate specimen during transport.

 

Reference Values

Therapeutic Concentration: 5 - 12 µg / mL

 

Stability

Refrigerated: 2 Days

 

Day(s) Performed

Daily

Available STAT

Analytical Time: 1 Day

 

Aliases

Gentamicin (Trough)

Gentamicin

Garamycin

Antibiotic Assay

Antimicrobial Assay

Antibiotic

 

Test Classification & CPT Coding

80170