Test Overview
Test Methodology

Homogeneous Enzyme Immunoassay

Test Usage

Monitor therapeutic drug level

Reference Range *

Therapeutic: Peak: 5 - 10 mcg/mL; Trough: < 2 mcg/mL.
Critical: Peak/Random values: >10.5 mcg/mL; Trough values: >2.6 mcg/mL.

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

Test Details
Days Set Up
Daily, 24 hrs
Analytic Time

2 hours

Soft Order Code
TOBR/TOBPK/TOBTR
Synonyms
  • Nebcin
  • Nebcin
  • Nebcin
  • TOB R
  • TOB PK
  • TOB TR
  • TOBRAMYCIN, RANDOM
  • TOBRAMYCIN, PEAK
  • TOBRAMYCIN, TROUGH
Laboratory
Chemical Pathology
Section
Automation
STAT Availability

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

Specimen Requirements
Collection Instructions

Collect blood in an 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.

Alternate Specimen
Red top, Green top tube (heparin) or Lavender (EDTA) top tube.
Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
80200
Fee Code
23326
LOINC
Trough 4059-2; Peak 4057-6; Random 35670-9
Resources