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Plasma Renin Activity, LC/MS/MS
Test Code
16846
CPT Code(s)
84244
Preferred Specimen(s)
0.8 mL frozen plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Collection Instructions
After collection sample can be stored at room temperature up to 24 hours. Do not refrigerate the sample. Refrigeration will cause cryoactivation to occur and prorenin will convert to renin causing falsely high renin activity result.
Specimen Container
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
Room temperature: 24 hours
Refrigerated: Unacceptable
Frozen: 28 days
Reject Criteria
Received room temperature • Received refrigerated • Plasma collected in plasma separator tube
Methodology
Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
Performing Laboratory
| Quest Diagnostics Nichols Inst San Juan Capistrano |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92690-6130 |
Setup Schedule
Set up: Mon-Thurs, Sun (Night); Report available: 5 days
Reference Range(s)
0.25-5.82 ng/mL/h
Alternative Names(s)
Renin, PRA
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
(The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.)
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.