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Test Name: | Renin Activity and Aldosterone |
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Test Code: | 000703 |
Other Names: | N/A |
Test Includes: | Renin Activity, Plasma, Aldosterone |
Specimen Requirements: | Serum (refrigerated) AND plasma (FROZEN), 1 mL serum AND 1 mL plasma |
Container: | Red-top tube or gel-barrier tube AND lavender-top (EDTA) tube |
Collection Instructions: | Refer to test descriptions for individual tests: Renin Activity, Plasma (002006) and Aldosterone, (004374) for more detailed patient preparation and test collection information. 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." If a red-top tube is used, transfer separated serum to a plastic transport tube. Label the serum tube "serum - aldosterone." To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED. |
Stability: | Refrigerate serum. FREEZE plasma. |
Rejection Criteria / Special Instructions: | 0 |
Methodology: | Renin: radioimmunoassay (RIA); aldosterone: liquid chromatography/tandem mass spectrometry (LC/MS-MS) |