Measurement of the plasma renin activity is useful in evaluating hypertension.
0.8 mL Frozen Plasma from a Lavender Top Tube - EDTA in a Plastic Vial
24 hours Refrigerated
6 months Frozen
Order should include whether it should be drawn Upright or Supine (Supine patient to lie down for 30 minutes)
Centrifuge and separate blood at room temperature - Then freeze immediately (within 23 hours of collection)
Avoid refrigeration to eliminate cryoactivation of prorenin to renin
0.5 mL
0.25 - 5.82 uom ng/mL/h
Measurement of the plasma renin activity is useful in evaluating hypertension.
3 to 6 days
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