Test ID: Z2402
CPT code: 82491
Specimen Type: Red or heparin nongel
Frequency: Setup: Daily; Analytic time 5 days
Instructions: 2.0mL Serum from Red non gel or plasma from green non gel tube.
Refrigerate. Min. 0.3mL. Note serum or plasma on label.
Text: NOTE: Submission of the minimum volume results in an elevated reporting limit and inability to repeat analysis. Mercaptopurine may be administered as an antineoplastic or may be present as a metabolite of the immunosuppressant drug azathioprine.
Methodology: High Performance Liquid Chromatography with Ultraviolet Detection