Renin, Direct
2001575
Ordering Recommendation
Submit With Order
Mnemonic
RENIND
Methodology
Quantitative Immunoradiometry
Performed
Mon
Reported
1-8 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Supine: 1. Specimen should be obtained between 8 a.m. and 10 a.m. (after at least two hours in supine position); 2. Normal sodium diet (100-200 mEq/day) for at least three days; 3. Take no medications known to affect renin-aldosterone system.
Upright:
1. Specimen should be obtained before noon (after at least two hours in upright position; seated or standing); 2. Normal sodium diet (100-200 mEq/day) for at least three days; 3. Take no medications known to affect renin-aldosterone system.
Contact Medical Director if more information is needed.  
Collect
Lavender (EDTA) or pink (K2EDTA). Do not collect in refrigerated tubes.  
Specimen Preparation
Separate plasma from cells ASAP. Transfer 2 mL plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 1 mL)  
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.  
Unacceptable Conditions
Serum. Specimens collected in citrate, heparin, or oxalate. Hemolyzed or refrigerated specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 4 weeks  
Reference Interval
2.5-45.7 pg/mL
Interpretive Data
Note
Do not use this test for patients treated with Cathepsin B.
CPT Code(s)
84244
Components
Component Test Code*Component Chart Name
2001576Direct Renin
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • Direct Renin