ARR; Aldosterone to Renin Ratio; Aldosterone: Direct Renin Ratio
5 days
Chemiluminescent Immunoassay (CLIA)
Accredited NRL Laboratory
Wednesday and Friday
Calculates the ratio of aldosterone to renin to screen for primary aldosteronism, a cause of secondary hypertension.
Serum and Plasma
1 mL plasma and 0.5 mL serum
Lavender top (EDTA) tube and Red top tube or Gel barrier tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Room temperature | Aldosterone: 5 days |
| Frozen | Aldosterone: 28 days: Renin: 7 days |
ARR; Aldosterone to Renin Ratio; Aldosterone: Direct Renin Ratio
5 days
Chemiluminescent Immunoassay (CLIA)
Accredited NRL Laboratory
Wednesday and Friday
Calculates the ratio of aldosterone to renin to screen for primary aldosteronism, a cause of secondary hypertension.
Serum and Plasma
1 mL plasma and 0.5 mL serum
Lavender top (EDTA) tube and Red top tube or Gel barrier tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Room temperature | Aldosterone: 5 days |
| Frozen | Aldosterone: 28 days: Renin: 7 days |