Renin activity
PRA
69.98
EDTA (purple top), tube must be filled.
EDTA (purple top) 3 mls blood
Separate sample at room temperature. Freeze aliquot rapidly. Must remain frozen during transport.
Frozen
Biochemistry
Mon - Fri, 0800 - 1630 excl. Public Holidays
21 days
RIA
ng/ml/hr
0.4 - 5.0 ng/mL/hr
30%
Ideally collect samples after patients have been out of bed for > 2 hours and been seated for 5 - 15 minutes
Consider primary hyperaldosteronism when Renin is < 0.4 ng/ml/hr AND Aldosterone is >400 pmol/L
1.0 mL EDTA plasma.
RA
$RA
