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HelpTest Code ALDREN Aldosterone/Renin Activity Ratio
Additional Codes
| Epic EAP | ARUP Code |
|---|---|
| LAB3919 | 70073 Aldosterone/Renin Activity Ratio |
Specimen Requirements
Patient Preparation
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.
Collect
Serum Separator Tube (SST) AND Lavender (K2EDTA) or Pink (K2EDTA). Do not collect in refrigerated tubes.
Specimen Preparation
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)
AND
Plasma: Transfer 2 mL EDTA plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 1.2 mL)
Unacceptable Conditions
Plasma collected in citrate, heparin, or oxalate. Hemolyzed specimens.
Stability
Both specimens should be collected and submitted together for testing.
Serum: Frozen.
Ambient: 8 hours
Refrigerated: 5 days
Frozen: 1 month
Plasma: CRITICAL FROZEN.
Ambient: 6 hours
Refrigerated: Unacceptable
Frozen: 1 month
***Separate specimens must be submitted when additional tests are ordered.
CPT
82088
84244
Performed
Daily
Report available in 1-5 days.
Performing Laboratory
ARUP Laboratories
Methodology
Quantitative Chemiluminescent Immunoassay (CLIA) / Quantitative Enzyme-Linked Immunosorbent Assay (ELISA)
Alias
Aldosterone and Plasma Renin Activity
Aldosterone serum
Aldosterone/Renin Activity
ARR
ARR-P
PRA
Renin Activity