Renin Activity and Aldosterone
- After collection, immediately centrifuge the Lavender-top tube at room temperature, transfer plasma to a transport tube, and freeze immediately. Label this tube “frozen plasma−renin"
Label the serum tube “serum−aldosterone"
Container/Tube:gel-barrier tube and lavender-top tube (EDTA)
Sample Volume: 1 mL serum and 1 mL plasma
Minimum Volume: 0.3 mL serum and 0.8 mL plasma (These volumes are insufficient for repeat testing.)
Storage: After centrifuging the collected specimen, refrigerate the serum and freeze the plasma.
- Recently administered isotopes
- Gross hemolysis
- Gross lipemia
Monday - Friday