Specimen Requirements

Title

METANEPHRINES, FRAC, FREE PLASMA

Specimen Requirement

Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection. Overnight fasting is preferred. Patients should be relaxed in either a supine or upright positiion before blood is drawn.

Draw blood in a pre-chilled lavender EDTA tube, Sample should be kept on wet ice until centrifugation. Spin and separate the plasma from the cells within 2 hours of collection. Send 2.5 mL plasma (1.5 mL minimum) refrigerated in a screw-capped plastic vial.

Methodology

Stability

Room Temperature 4 hours, Refrigerated 14 days, Frozen 14 days

Reference Range

By Report*

Turnaround

6-8 days Performed Tues-Sat

Clinical Use

Test Code

METPW