Posaconazole Drug Level
Label Mnemonic: POSA
Epic Lab Code: LAB4487
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Serum
Specimen Instructions:
Patient Prep - Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration. Blood levels may be affected by other concurrent medications, patient conditions, fat intake at dosing, and other factors.
Collection Medium:
Red top tube 5 mL (Clot Activator)
Minimum:
Preferred Minimum: 1 mL serum in red top tube
Absolute Minimum: 0.6 mL
Rejection Criteria:
Serum separator tubes. Hemolyzed or lipemic specimens.
Testing Schedule:
Testing performed on Tuesdays and Fridays at the reference laboratory.
Turn Around Time:
1-6 days upon receipt in reference laboratory
Reference Range:
Therapeutic Range (trough): Greater than 0.7 μg/mL
Methodology:
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
CPT Code:
82542