Plasma Renin Activity, LC/MS/MS

Message

SRHC Clients:

1 lavender top EDTA tube
Transport to SRHC laboratory within 8 hours
Must be FROZEN within 24 hours
Transport to Quest FROZEN.

Test Code

LAB7631

Quest Code

16846

CPT Codes
84244

Preferred Specimen

0.8 mL plasma (0.5 mL minimum)

Minimum Volume

0.5 mL

Instructions

Collect a mid-morning blood sample after patient has been upright (sitting, standing, or walking) for a minimum of 2 hours, then have them sit 5-15 minutes prior to collection.

Transport Temperature

Frozen

Specimen Stability

Room temperature: 24 hours
Refrigerated: 24 hours
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received at room temperature at Quest
Received refrigerated at Quest
Received in plasma separator (gel) tube

Methodology
Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Daily; Report available: 4 days

Reference Range

0.25-5.82 ng/mL/h

Clinical Significance

Measurement of the Plasma Renin activity is useful in evaluating hypertension.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Dr
Chantilly, VA 20153

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.