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Laboratory Medicine

Test catalogue

Renin (Renin Mass Assay, Angiotensin I)

Test Name

Renin (Renin Mass Assay, Angiotensin I)

Lavender Tube Specimen Type / Requirements

Container Type = 2 Lavenders (EDTA)

Minimum Volume = 2.5 mL plasma

Tubes must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect in 2 lavender top tubes (EDTA). Avoid refrigeration to eliminate cryoactivation of prorenin to renin. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions: Centrifuge in a refrigerated centrifuge. Separate plasma from cells and freeze 2 aliquots as soon as possible. If the specimen thaws it is unsuitable for analysis.

Rejection Criteria: Thawed samples. Serum and heparinized plasma samples are unacceptable.

Stability: Sample stable refrigerated for 4 hours and frozen for 30 days.


Transport on ice to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

5 Days

Test Utilization

Reference Value

See report

Test Code



Chemiluminescent Immunoassay

Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: June 06, 2019