Test Overview

Test Methodology


Test Usage

Evaluate the role of renin in the differential diagnosis of hypertension.

Reference Range*

Upright: <= 40 years, 4.0 - 44.0 pg/mL; > 40 years, 4.0 - 60 pg/mL
Supine (more than 30 minutes): <= 40 years; 3.0 - 30 pg/mL; > 40 years, 3.0 - 42.0 pg/mL. Contact the MLabs Client Services Center for interpretation by the Hypertension Unit (936-4790).

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Tuesday, Friday

Analytic Time

8 hours

Soft Order Code


MiChart Code

Renin, Plasma Mass


Chemical Pathology

Looking to Order a Test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Specimen Requirements

Offsite Collection Instructions

Collect specimen in a lavender top tube (EDTA). Centrifuge, aliquot plasma into a plastic vial, and freeze within 1 hour. Do not refrigerate the sample.

Rejection Criteria

Specimen not drawn in lavender top tube, specimen not frozen, specimen refrigerated longer than four hours, clotted sample.


Lavender Top Tube

Normal Volume

1 mL plasma

Minimum Volume

0.50 mL plasma

Billing Information

Fee Codes

CPT Code




Have More Billing Questions?

Explore our helpful billing resources:

Billing Resources

Billing FAQ