Test ID: Z2757
CPT code: 82542
Specimen Type: Red Nongel
Frequency: Setup: Daily; Analytic time 5 days
Instructions: 2ml serum from red non-gel tube. Alt/ plasma from green sodium heparin nongel tube-indicate plasma on label. Refrigerate. Min 0.3mL.
Text: Expected plasma concentrations in patients taking recommended daily
dosages: up to 220 ng/mL
Submission of the minimum volume results in an elevated reporting limit and inability to repeat analysis.
Methodology: Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)