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Test Code LAB9685 Renin, Direct

Important Note

Renin, activity is a sendout to Mayo (LAB2113), and is not useful for determination of plasma renin concentration. 

Collection:

Specimen: Blood

Container: Purple EDTA

Volume: 4 mL; Minimum 3 mL

Important collection notes: Collect Lavender (EDTA) from a supine or upright patient. Do not collect in refrigerated tubes.

Cause for rejection: Gross hemolysis

Storage Instructions:

Process blood at room temperature and centrifuge tubes in a non-refrigerated centrifuge. Separate EDTA- plasma from cells immediately after centrifugation, aliquot and deep-freeze at -20C or below instantly. Separate from cells ASAP or within 2 hours of collection.

Turnaround Time (TAT):

Tests are batched and ran twice a week. 

Request Form:

Routine Laboratory Request Form

Send To:

UMC MAIN LABORATORY- EH319 Extension Hospital

Reference Interval:

Results

Age

Range

Upright

≤40

4.2 – 50.2

 

>40

3.6 – 81.6

Supine

≤40

3.2 – 33.2

 

>40

2.5 – 45.1

Patient Preparation

Collect midmorning (i.e., 7am - 10am) after patient has been sitting, standing, or walking for at least 30 minutes and seated for 5-15 minutes. If the patient is supine, ensure that the patient is in this position for at least 30 minutes prior to collection.

Fasting specimens are recommended but not required.