Gentamicin, Peak
Test Summary
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.
Aliases
- Garamycin, Peak
- Gent, Peak
- G-Myticin, Peak
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
1 mL
Instructions
Collect 30 minutes after the completion of a 30 minute IV infusion or 1 hour after an IM injection.
If the patient is also receiving penicillin's and/or cephalosporins, separate and freeze serum if testing will not be completed within 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.
If the patient is also receiving penicillin's and/or cephalosporins, separate and freeze serum if testing will not be completed within 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.
Patient Preparation
N/A
Storage
Original tube preferred, may be sent in a screw-top transfer tube.
Transport Temperature
Refrigerated
Specimen Stability
- Room Temperature = N/A
- Refrigerated = 1 week
- Frozen = 4 weeks
Limitations
N/A
Other Acceptable Specimens
Lithium Heparin (Light Green Top) tube
Unacceptable Specimens
Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.
Order Code
GENP
EPIC (Premier) Code
LAB214
Includes
N/A
CPT Code
- 80170
Billing Code
- 300000
CPT Statement
Methodology
Immunoassay (IA)
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine OH, 45439
2308 Sandridge Drive
Moraine OH, 45439
Reference Range
4.0 - 10.0 mcg/mL
Setup Schedule / Expected Turnaround Time
24/7; Report available: Daily
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
1 mL
Instructions
Collect 30 minutes after the completion of a 30 minute IV infusion or 1 hour after an IM injection.
If the patient is also receiving penicillin's and/or cephalosporins, separate and freeze serum if testing will not be completed within 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.
If the patient is also receiving penicillin's and/or cephalosporins, separate and freeze serum if testing will not be completed within 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.
Patient Preparation
N/A
Storage
Original tube preferred, may be sent in a screw-top transfer tube.
Transport Temperature
Refrigerated
Specimen Stability
- Room Temperature = N/A
- Refrigerated = 1 week
- Frozen = 4 weeks
Limitations
N/A
Other Acceptable Specimens
Lithium Heparin (Light Green Top) tube
Unacceptable Specimens
Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.
Result Information
Methodology
Immunoassay (IA)
Testing Laboratory
N/A
Reference Range
4.0 - 10.0 mcg/mL
Setup Schedule / Expected Turnaround Time
24/7; Report available: Daily