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Test Code GENPT Gentamicin Level, Peak & Trough

Additional Codes

GENPK

GENTR

Specimen Collection Information

Specimen  Min. Test Volume Collection Container Special Handling
Blood 0.1 mL Light Green (lith. heparin) top
Gold top
Marble Red top
 

Reference Ranges & Critical Values

Assay Gender Age Range Normal Range Critical Values Units
GENTR All 0 Minutes – 150 Years 0.5 - 2.0   ug/mL
GENPK All 0 Minutes – 150 Years 5.0 - 10.0   ug/mL

Collection Instructions

Consult Pharmacy before ordering any Gentamicin levels.

  1. Physician orders for Gentamicin are sent to the Pharmacy who will then determine which dosing program to follow.
  2. Pharmacy enters orders into system for program and/or levels needed and phones the Laboratory to set up drawing times.

  3. Nursing notifies Laboratory of all dose start and stop times.

Specimen Stability

7 days at 2-8°C

Day(s) Performed

Monday - Sunday

CPT

80170 per level drawn

LOINC

35668-3