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HelpTest Code RENIN Renin, Plasma Activity
Additional Information
To facilitate interpretation of test results, the patient should be taken off medications for at least 3 weeks prior to sample collection (only with the permission of the physician)
Since patient posture prior to collection affects renin levels, it is recommended that the patient be ambulatory for at least 30 minutes before blood collection
Collection Container
Lavender (EDTA)
Specimen Required
Plasma
Special Handling Instructions
Keep at room temperature before and during centrifugation.
Whole blood (unspun) is stable for 6 hours at room temperature.
Specimen Volume
1.0 mL
Minimum Specimen Volume
0.8 mL
Transport Temperature
Whole blood room temperature, plasma frozen
Specimen Stability
Room temperature: 6 hours (Whole blood and plasma), Refrigerated: unstable, Frozen: 14 days (plasma)
Reasons for Rejection
Refrigeration at anytime is unacceptable, whole blood frozen unacceptable
Methodology
Radioimmunoassay (RIA)
Turnaround Time
3 - 7 days
CPT Code
84244
EMR Interface Order Code
27200