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List All Test Names Beginning With:
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Renin

Source Blood
Mnemonic REND

Prompts:
Position -
Is the patient upright or lying down? For PSC and outpatients, enter "Upright".
Minutes in Position - How many minutes has the patient been in this position?  For PSC and outpatients, calculate how many minutes the patient has been awake. If patient is unavailable to confirm and if not indicated on requisition, enter "0".

If physician has provided salt intake information or Lasix information, add as an order note.
Specimen Requirements

If both Aldosterone and Renin are ordered together, they must be collected at the same time and ordered as Aldosterone/Renin Ratio (ALDOS/REN) 

Collections performed at acute care (RRL) sites and all PSCs.
Cannot be collected by Mobile Collection Service (MCS).

Collect specimens before 10:00 due to fluctuations in renin levels throughout the day.

1 x 4 mL lavender top EDTA tube

2 x 1.0 mL plasma

Minimum Whole Blood Volumes for Microcollections

Specimen Handling

Three labels will print; use the two labels indicating SEE GTS for the aliquot tubes and the third label for the primary tube.

Centrifuge at room temperature or 22oC in a temperature controlled centrifuge within 30 minutes of collection.

Aliquot to two room temperature aliquot tubes and freeze immediately.

Transport the aliquot tubes to DSC frozen, attached to an ice pack or packed on dry ice.

Place primary tube in site discard rack.

DSC: Place specimens in freezer upon receipt in lab; ensure frozen specimens do not thaw.

Additional Information
Testing Location Immunochemistry
Testing Frequency Twice a week: Tuesdays and Thursdays
Alternate Name(s) Angiotensin 1, Direct Renin, Plasma Renin Activity, PRA
Reference Interval
In healthy adults (18-65 years) with normal salt intake:
    4.4 - 46.0 mIU/L upright at least 30 minutes
    2.8 - 40.0 mIU/L supine at least 30 minutes