TOB TR
Tobramycin, Trough, Serum or Plasma
EPIC Test Procedure Code: LAB2432
Performing Lab:
Saint Luke's Regional Laboratories
Patient Preparation:
Information concerning dosage, dosage schedule, other antimicrobials given concurrently, and date and time of draw are required on the request form for processing.
Container Type:
Plain red top tube or green top (heparin) tube
Specimen Type:
Serum or plasma
Preferred Volume:
1 mL
Minimum Volume:
0.5 mL
Collection Procedure:
1. A trough specimen is usually drawn 30 minutes prior to the next dose.
2. Separate the serum or plasma from the cells within 2 hours of collection.
3. If testing is delayed more than 2 hours from the time of specimen collection, then the serum or plasma needs to be frozen until tested.
4. Indicate serum or plasma on the request form.
5. Label the specimen appropriately (serum or plasma).
Store and Transport:
Refrigerated
Stability:
Refrigerated - 3 days
Room temperature - 24 hours
CPT Codes:
80200 - Tobramycin Trough (EAP 30015360)
Test Schedule:
Monday through Sunday
Reference Ranges:
Therapeutic concentration:
< 2.0
μg/mL
Critical value:
> 2.5 μg/mL