| Specimen Container |
EDTA tube
|
| Specimen Requirement |
Whole Blood
EDTA 4 - 6mL
|
| Specimen Storage/Transport |
Place specimen in a biohazard specimen bag and immerse this bag in crushed ice. Send immediately to lab.
To spin and separate the plasma and store at – 20°C before the next transport is available.
|
| Orderable as Urgent? | No |
| Turn Around Time |
2 – 4 weeks
|
| Reference Value(s) |
0 – 2 years: 4.6 ng/mL/hour (mean)* Range: 1.4-7.8 ng/mL/hour
3 – 5 years: 2.5 ng/mL/hour (mean)* Range: 1.5-3.5 ng/mL/hour 6 – 8 years: 1.4 ng/mL/hour (mean)* Range: 0.8-2.0 ng/mL/hour 9 – 11 years: 1.9 ng/mL/hour (mean)* Range: 0.9-2.9 ng/mL/hour 12 – 17 years: 1.8 ng/mL/hour (mean)* Range: 1.2-2.4 ng/mL/hour *Mean data not standardized as to time of day or diet. Infants were supine, children sitting. Na-depleted, upright (peripheral vein specimen) 18 – 39 years: 10.8 ng/mL/hour (mean) 2.9 – 24.0 ng/mL/hour (range) > or =40 years: 5.9 ng/mL/hour (mean) 2.9 – 10.8 ng/mL/hour (range) Na-replete, upright (peripheral vein specimen) 18 – 39 years: 1.9 ng/mL/hour (mean) < or =0.6 – 4.3 ng/mL/hour (range) > or =40 years: 1.0 ng/mL/hour (mean) < or =0.6 – 3.0 ng/mL/hour (range) |
| Testing Laboratory Location | NUH |
| Laboratory | Mayo Medical Laboratories in Rochester |
| Contact Number | 6394 1352 |
| Day and Time Performed |
Mon – Fri 0800 hrs– 1700 hrs
Sat 0800 hrs – 1230 hrs |
| Orderable on CPOE? | Yes |
| Downtime Form | |
| Additional Information |
The plasma renin activity cannot be interpreted if the patient is being treated with spironolactone (Aldactone). Spironolactone should be discontinued for 4 to 6 weeks before testing. |
Change History Notes
-
12 Aug 2021 12:00 AM
Updated Additional Information.
Last Updated - 27 May 2025
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