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Aldosterone:Renin Ratio
Orderable Procedures: Aldosterone:Renin Ratio [LAB55701]
CPT CODE: 84244
Test Synonyms: ARR
Test Information:
Specimen Requirements
Collection Requirements: Red-top tube or gel-barrier tube and lavender-top (EDTA) tube
Collect blood mid morning, after the patient has been up (sitting, standing, or walking) for at
least two hours and seated for 5 to 15 minutes. Refer to descriptions for individual tests Renin Activity, Plasma [002006] and Aldosterone, LC/MS [004374] for more detailed preparation and
test collection information. After collection, immediately centrifuge the lavender-top tube
at room temperature, transfer plasma to a transport tube, and freeze. 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.

Shipping Handling Instructions: Serum, refrigerated and plasma, frozen
1 mL serum and 1 mL plasma

Performing Locations: LABCORP LAB :

Container Type
Laboratory Container Temperature
LABCORP LAB
SERUM/EDTA
Refrigerated
Conemaugh Health System