Linezolid Level (Sendout)
General Information
- Lab Name
- Lab Code
- 972
- External Test Id
- LNZL
- Description
Useful For: Therapeutic drug management for patients being treated with Linezolid.
Ordering Requirements: A completed UF Health Infectious Disease Pharmacokinetics Laboratory Requisition must accompany the order. For accurate interpretation of the concentration, provide the drug dose (specify PO, IV, IM), number of doses per week, and date/time of last dose (for IV, start/end time).
Recommended Draw Times: Trough, 2 hours, and 5-6 hours post-dose. Refer to the UFHealth IDPL website for additional information. Submit separate Epic orders for each collection.
- Forms & Requisitions
- University of Florida Infectious Disease Pharmacokinetics Laboratory Requisition
- Synonyms
- Antibiotic Level, LNZL, Zyvox
Interpretation
- Method
LC-MS/MS
- Ref. Range Notes
See report.
Ordering & Collection
- Specimen Type
- Blood
- Collection
-
6 mL blood in RED TOP tube
Unacceptable: Gel tubes
- Forms & Requisitions
- University of Florida Infectious Disease Pharmacokinetics Laboratory Requisition
- Handling Instructions
Outside Laboratories:
- Centrifuge sample and transfer serum to a separate plastic vial. Freeze serum at -70°C. (Serum frozen at -20°C is also acceptable.) Transport on dry ice.
- Provide separate 1 mL aliquots for each test ordered.
- Submit a completed University of Florida IDPL Requisition along with the DLMP requisition.* Failure to provide the required paperwork may result in test delays.
- *Use client-specific requisition when available. To obtain a client-specific requisition, contact Client Support Services via email at: commserv@uw.edu.
Stability: Frozen: Required; Refrigerated: Unacceptable; Ambient: Unacceptable. Do not allow samples to thaw.
- Centrifuge sample and transfer serum to a separate plastic vial. Freeze serum at -70°C. (Serum frozen at -20°C is also acceptable.) Transport on dry ice.
- Quantity
-
requested: 2 mL serum
minimum: 1 mL serum per test
Processing
- Processing
Centrifuge sample and transfer serum to a separate plastic vial. Freeze serum at -70°C. (Serum frozen at -20°C is also acceptable.)
Login: RASAY1-;FREEZE
- RASSNT: UFIDPL
- RASTRQ: ;Linezolid Level (UF Health Test LNZL)
Login Note: If multiple antibiotic levels are requested, accession each one separately as RASAY1.
Sendouts:
- UF IDPL Test: LNZL.
- Package sample(s) with the completed UF IDPL requisition.
- Ship via FedEx Priority Overnight, Monday through Thursday only, with sufficient dry ice to ensure that samples remain frozen throughout transport.
- Package samples as close to FedEx pickup as possible to ensure that they remain frozen upon arrival at University of Florida IDPL.
- Samples that arrive thawed will be rejected.
- Do not ship on Friday. Saturday delivery is not available at IDPL and the sample will be compromised.
Stability: Frozen: Required; Refrigerated: Unacceptable; Ambient: Unacceptable. Do not allow samples to thaw.
Performance
- LIS Dept Code
- Performing Location(s)
-
Sendout University of Florida Infectious Disease Pharmacokinetics Laboratory
352-273-67101600 SW Archer Road
P4-30
Gainesville, FL 32610 - Frequency
- Performed: Monday through Friday. Turn around Time: 7 working days from sample receipt at UF IDPL.
- Available STAT?
- No
Billing & Coding
- CPT codes
- Billing Comments
CPT: 80299
- LOINC