Aldosterone
SST (gold) or Heparin (light green)
Renin and Aldosterone should always be collected as a paired sample.
1 mL Plain(red) or Heparin (light green)
Frozen
Biochemistry
Monthly
28 days
RIA
< 1 week : <12000 pmol/L
1 - 52 weeks : 160 - 3000 pmol/L
1 - 4 years : 70 - 1000 pmol/L
The paediatric reference intervals quoted are approximate only. Aldosterone levels are inversely related to age on a log - log scale.
Adult : 100 - 830 pmol/L
Ideally collect samples after patients have been out of bed for > 2 hours and been seated for 5 - 15 minutes
ALD
$ALD