Test Overview

Test Methodology

Particle-Enhanced Turbidimetric Inhibition Immunoassay (PETIA/PETINIA)

Test Usage

Monitor therapeutic drug level

Reference Range*

Therapeutic: Peak: 5-10 mcg/mL; Trough: 0.0 - 2.0 mcg/mL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Daily, 24 hours

Analytic Time

2 hours

Soft Order Code

GENT R/GENT PK/GENT TR

Synonyms

Synonyms

Garamycin
Genticin
Gentisone
Garamycin
Genticin
Gentisone
Garamycin
Genticin
Gentisone
GENT R
GENT PK
GENT TR
GENTAMICIN, RANDOM
GENTAMICIN, PEAK
GENTAMICIN, TROUGH

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Laboratory

Chemical Pathology

STAT Availability

STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).

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Specimen Requirements

Offsite Collection Instructions

Collect blood in a SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. For maximum clinical significance, usual sampling times are Peak: 0.5 to 1 hour after the end of a 30 minute I.V. infusion (one hour following I.M. administration) or Trough: immediately before next dose is given. Indicate whether specimen is Peak, Trough, or Random level.

Container

Yellow Top Tube

Normal Volume

0.5 mL serum

Minimum Volume

0.25 mL serum

Billing Information

Fee Codes


CPT Code

80170

LOINC

Trough 3665-7; Peak 3663-2; Random 35668-3

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