Aldosterone/Renin Activity Ratio
Screen and diagnose hyperaldosteronism.
Quantitative Chemiluminescent Immunoassay (CLIA)/Quantitative Enzyme-Linked Immunosorbent Assay (ELISA)
New York DOH Approval Status
Collect midmorning after patient has been sitting, standing, or walking for at least 2 hours, and seated for 5-15 minutes. Refer to the Additional Technical Information for specific patient preparation recommendations.
Serum Separator Tube (SST) AND Lavender (K2EDTA) or Pink (K2EDTA). Do not collect in refrigerated tubes.
Separate from cells ASAP or within 2 hours of collection.
Serum: Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Plasma: Transfer 2 mL EDTA plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 1.2 mL)
Both specimens should be collected and submitted together for testing.
Plasma: CRITICAL FROZEN. Separate specimens must be submitted when additional tests are ordered.
Plasma collected in citrate, heparin, or oxalate. Hemolyzed specimens.
Serum: Ambient: 8 hours; Refrigerated: 5 days; Frozen: 1 month
Plasma: Ambient: 6 hours; Refrigerated: Unacceptable; Frozen: 1 month
|Aldosterone/Renin Activity Calculation||Less than or equal to 25|
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Refer to the Additional Technical Information for Endocrine Society recommendations for patient preparation, specimen collection, medications for hypertension control during confirmatory testing for primary aldosteronism, and factors that may lead to false-positive or false-negative ARR results.
|Component Test Code*||Component Chart Name||LOINC|
|0070074||Aldosterone/Renin Activity Calculation||30894-0|
- Aldosterone and Plasma Renin Activity
- Aldosterone serum
- Aldosterone/Renin Activity
- Renin Activity