Specimen Requirements

Title

ALDOSTERONE/RENIN RATIO

Specimen Requirement

Components: Aldosterone, direct renin and ratio calculation. Please do not order Aldosterone and Renin individually when Ratio is ordered.

Aldosterone: Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum frozen in a screw-capped plastic vial. Label this tube “serum-aldosterone”.

Renin: Draw blood in lavender (EDTA). Centrifuge, separate and send 1.5 mL plasma frozen in a screw-capped plastic vial. Label this tube “Frozen Plasma-Renin”. CRITICAL FROZEN

Methodology

Stability

Reference Range

By Report*

Turnaround

5 days Performed Mon, Wed, Thurs

Clinical Use

Test Code

ALRRW