Sign in →

Test Code GENTA Gentamicin, Trough, Serum

Useful For

Monitoring adequacy of drug clearance during gentamicin therapy

Method Name

Turbidimetric Immunoassay

Reporting Name

Gentamicin, Trough, S

Specimen Type

Serum


Specimen Required


Collection Container/Tube: 

Preferred: Serum gel 

Acceptable: Red top 

Submission Container/Tube: Plastic vial 

Specimen Volume: 0.5 mL 

Collection Instructions:  

1. Serum gel tubes should be centrifuged within 2 hours of collection. 

2. Red-top tubes should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
  Frozen  14 days
  Ambient  72 hours

Reject Due To

Gross hemolysis Reject

Reference Values

Therapeutic: <2.0 mcg/mL

Toxic: >2.0 mcg/mL

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

80170

LOINC Code Information

Test ID Test Order Name Order LOINC Value
GENTA Gentamicin, Trough, S 3665-7

 

Result ID Test Result Name Result LOINC Value
GENTA Gentamicin, Trough, S 3665-7

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.