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Test Compendium

6843: RENIN ACTIVITY, PLASMA

Test Code

  • 6843

Test Synonym

  • Renin Activity, Plasma, LC/MS/MS

Minimum Volume

  • 3 mL

Specimen Requirements

  • Plasma

Container

  • Transfer Tube- Frozen- Plasma

Storage

  • Frozen

Turn Around Time

  • 6 days

CPT Codes

  • 84244
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • 3mL FROZEN EDTA PLASMA

Additional Information

  • Draw blood into an EDTA tube. Keep tube at room temperature. Centrifuge at room temperature.[1] Transfer the plasma into a plastic transport tube and Freeze immediately and maintain frozen until tested. IT IS CRITICAL THAT THE PLASMA BE TRANSFERRED AND FROZEN AS QUICKLY AS POSSIBLE TO PREVENT CRYOACTIVATION OF PROTEIN TO RENIN (WHICH RESULTS IN FALSELY ELEVATED RENIN LEVELS). To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED. The patient's posture at the time of collection should be noted (see Patient Preparation).

Specimen Stability

  • AMBIENT: Unstable REFRIGERATED: Unstable FROZEN: 14 days