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444: Gentamicin, Peak and Trough Print View
Gentamicin, Peak IA    mg/L 
Gentamicin, Trough IA    mg/L 

PRIMARY
1 Serum Peak 1 (0.2) mL   Room Temperature - 5 Day(s)/Refrigerated - 7 Day(s)  
2 Serum Trough 1 (0.2) mL   Refrigerated - 7 Day(s)/Room Temperature - 5 Day(s)  
ALTERNATE
  Plasma Lithium Heparin 1 (0.2) mL   Room Temperature - 5 Day(s)/Refrigerated - 7 Day(s)  
  Plasma Sodium Heparin Grn 1 (0.2) mL   Refrigerated - 7 Day(s)/Room Temperature - 5 Day(s)  
  Plasma EDTA Peak 1 (0.2) mL   Refrigerated - 7 Day(s)/Room Temperature - 5 Day(s)  
  Plasma EDTA Trough 1 (0.2) mL   Room Temperature - 5 Day(s)/Refrigerated - 7 Day(s)  
  Plasma Lithium Heparin 1 (0.2) mL   Refrigerated - 7 Day(s)/Room Temperature - 5 Day(s)  
  Plasma Sodium Heparin Grn 1 (0.2) mL   Room Temperature - 5 Day(s)/Refrigerated - 7 Day(s)  

Gentamicin is an aminoglycoside antibiotic used in the treatment of gram-positive and gram-negative bacillary 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.

Patient Preparation:
Collect peak at the end of the 60 minute IV infusion, 30 minutes
after the end of a 30 minute IV infusion or 60 minute after the IM
dose. Collect as a trough before next dose.

1 mL (0.2 mL minimum) serum collected in each of two separate
red-top tubes (no gel)
Setup Schedule
Monday-Saturday

Reported (Analytical Time)
Next day

CPT Code
80170x2

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Transport Temperature: Room temperature

Reject Criteria: Serum separator tube, Frozen: Unacceptable

Methodology: Immunoassay






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