Pathology Handbook

Renin Recumbent

Laboratory:

Clinical Biochemistry

Test Code:

REN-R

Registration Instructions:

Use when recumbent specified or when part of a dynamic procedure with multiple collection time points/sites eg Renal Vein Sampling.

If Aldosterone ordered at the same time use code RENALD-R

Specimen Types:

Plasma

Container Types:

EDTA 3 mL

Collection & Request Instructions:

Retrospective testing not possible.

Patient should be in a recumbent position for 30 minutes prior to, and during the collection.

Endocrine consultation is required in planning renal vein sampling.

Processing Instructions:

Centrifuge
Aliquot
Freeze Immediately
-80'C

Minimum of 1mL should be frozen as a aliquot

Transport Instructions between Sites and/or Laboratories:

Room Temperature
Send to lab immediately

If specimens are collected from a location external to Alfred Pathology, they should be spun and the plasma frozen at -80 C. Please note that freezing at -20 C is NOT sufficient and may cause cryo-activation of pro-renin leading to falsely high results.

Once frozen at -80 C, samples can be transferred to, or transported at, -20 C.

Assay Frequency:

Twice weekly