Sign in →

Test Code CFGNPK Gentamicin CFHD Peak

Specimen Type

Blood

Preferred Collection Container

GRN-PST

Collection Volume

5 mL

Minimum Collection Volume

1.2 mL in 2 full Green microtainers

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.

Rejection Criteria

Extreme hemolysis, lipemic, or icteric samples.

Specimen Storage and Stability

Refrigerate specimen.

Turn Around Time

3 hours

Lab Department

Chemistry

Alias

High Dose Interval Gentamicin

EPIC Code

LAB2356

Acceptable Collection Container

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

Testing Volume

0.6 mL (600 ul)

Day(s) and Time(s) Performed

Monday through Sunday, 24 hours