Tobramycin
| Order Code: | TOB |
| Order Form: | Laboratory Requisition |
Specimen(s):
Plasma
Collection Medium:
 |
| Plasma Separator Tube |
Alternate
Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
3 mL whole blood in light green top or ONE microtainer.
Testing
Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around
Time:
1 hour (upon receipt in laboratory)
Reference Range:
Peak 6-10 mcg/mL; (45-75 min. after I.M. dose, 15-30 min. after I.V.
dose)
Trough <2 mcg/mL; (Not more than 30 min. before next dose)
Critical value: Peak >10 mcg/mL
Comments:
Phlebotomy team does not draw timed tobramycin specimens. Clinical
staff must draw accurately timed peak and trough specimens.
Test
Limitations:
Icterus: No significant interference from bilirubin up to an I index of
30.
Hemolysis: No significant interference from hemoglobin up to an H index
of 800.
Lipemia (Intralipid): No significant interference up to an L index of
750. There is poor correlation between turbidity and triglycerides
concentration.
No significant interference from total protein up to 12 g/dL.
Methodology:
EIA (Enzymatic Immunoassay)
Sample
Processing:
Centrifuge at 3000 RPM for 10 minutes.
Aliquot plasma into labeled container and cap.
Label pre- or post- specimens clearly.
Aliquot plasma into labeled container and cap.
Label pre- or post- specimens clearly.
Sample
Storage:
Refrigerate.
Transport
Instructions:
Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Place dry ice on top of specimen in Styrofoam container.
Place requisition into outside pocket of bag.
Place dry ice on top of specimen in Styrofoam container.
CPT Code:
80200
See Additional Information:
Chemistry Critical Lab Values
Chemistry Critical Lab Values