Use in aldosterone stimulation testing.
Quantitative Chemiluminescent Immunoassay
Within 24 hours
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) or Plain Red.
Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
After separation from cells: Ambient: 8 hours; Refrigerated: 5 days; Frozen: 1 month
Greater than 7.0 ng/dL
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 aldosterone-renin ratio (ARR) results.
|Component Test Code*||Component Chart Name||LOINC|
- Aldosterone 30