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ILH Laboratory specimen collection and test information


Red or Green Top


Gentamicin Trough

5 mL.


Alternative name(s)


Lab section

Core Lab



When performed

24 hours / 7 days



When reported

24 hours / 7 days






Sunquest code:


EPIC Code:


Peaks and troughs in drug monitoring



Important notes:

Pharmacokinetic consult available. Pediatrics may submit 1 microtainer. Red top or Lithium Heparin green tops will be accepted.

Rejection criteria:

Transportation notes:

Specimen preparation:              

Trough levels: drawn immediately before drug dose is given.

Please submit the following: the dosage, frequency and time of administration.




MCL Web resources

Specimen packaging pages

Reference lab 

ILH Web Resources
Last revised 01/17/2014