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Test Code GENTTR Gentamicin Trough

Specimen Type

Blood

Preferred Collection Container

GRN-PST

Collection Instructions

Both peak and trough concentrations should be monitored. The following information is generalized, follow any specific directions given by pharmacy/EPIC order set. Conventional dosing: The trough sample (LAB26) is drawn immediately prior to the dose. Peak samples (LAB28) should be drawn 30 minutes after an IM injection or completion of an IV infusion. High-dose extended interval: The peak sample (LAB2356) is drawn 2 hours after the start of IV infusion. Random level (LAB27) is drawn 10 to 12 hours after the start of IV infusion.

Collection Volume

5 mL

Minimum Collection Volume

1.2 mL in 2 full Green microtainers

Testing Volume

0.6 mL (600 ul)

Rejection Criteria

Extreme hemolysis, lipemic, or icteric samples.

Specimen Storage and Stability

Refrigerate specimen.

Day(s) and Time(s) Performed

Monday through Sunday, 24 hours

Alias

Gent, Trough; Trough Getamycin; Getamycin, Trough ;

EPIC Code

LAB26

Acceptable Collection Container

SST, GRN-PST, R-NoGel, G-NoGel

Turn Around Time

2 hours

Lab Department

Chemistry