- YREN
Renin Activity
Specimen:
Test Code
YREN
Specimen Name
Renin Activity
Collect
Lavender EDTA Plasma. Also Acceptable: pink (K2EDTA).
Submit
2 mLs (Min: 1.2 mL) Plasma, Frozen.
Special Handling
Blood should be obtained in seated position in the morning without venous stasis (release tourniquet after venipuncture and wait at least 5 seconds before withdrawing blood). If the patient is supine, ensure that the patient is in this position for at least 30 minutes prior to collection. Separate from cells ASAP or within 2 hours of collection. Transfer plasma to a standard transport tube and freeze immediately. Specimen must be spun and frozen within 2 hours. Process blood at room temperature
Rejection Criteria
Serum. Specimens collected in citrate, heparin, or oxalate. Hemolyzed specimens.
Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
Methodology
Quantitative Enzyme-Linked Immunosorbent Assay (ELISA)
Performed
Sunday - Saturday
Reported
1-3 days
CPT Codes
- 84244
Components
—
Additional Information
Storage at refrigerated temperatures may cause falsely elevated results. Do not collect in refrigerated tubes. Transport frozen plasma to laboratory immediately.
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Common Lab Definitions
- Serum
- Plasma
- STT