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Test & Collection Guide

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PLEASE NOTE: Recent changes have been made to this Test


 Recent changes for Aldosterone - blood

Recent changes for Aldosterone - blood

Date
Field
Changed From
Changed To
28th August 2024
Collection & Request Instructions

 

Collection Requirements for both or either tests

Collect into 4 mL EDTA tubes at Room Temperature. Do not collect on ice

If both Renin and Aldosterone are requested together, they can be collected into the same EDTA tube

 

Whole blood or plasma stored at 4 Deg C is not suitable

Add-on tests for Aldosterone can be done on samples which have been previously collected and stored at 4 Deg C, for 4 days.

Collection Requirements

Collect into 4 mL EDTA tubes at Room Temperature. Do not collect on ice.

If both Renin and Aldosterone are requested together, they can be collected into the same EDTA tube.

If Aldosterone and cortisol are requested together (but not renin), then these can be collected in the same EDTA tube, or the same serum tube.

 

Whole blood stored at 4 Deg C is not suitable, separated plasma may be suitable.

Add-on tests for Aldosterone can be done on serum samples which have been previously collected and stored at 4 Deg C, for 4 days.

Processing Instructions

aldosterone alone is not appropriate as an initial investigation. Used as part of protocols available on consultation

Serum/Plasma aldosterone has substantial physiological variation and interpretation may be difficult.

Plasma renin activity is a more useful initial test in the evaulation of hypertension.

Aldosterone alone is not appropriate as an initial investigation. Used as part of protocols available on consultation.

Serum/Plasma aldosterone has substantial physiological variation and interpretation may be difficult.

Plasma renin is a more useful initial test in the evaulation of hypertension.

13th August 2024
Collection & Request Instructions

 

Collection Requirements for both or either tests

Collect into 4 mL EDTA tubes at Room Temperature. Do not collect on ice

If both Renin and Aldosterone are requested together, they can be collected into the same EDTA tube

 

 

 

Whole blood or plasma stored at 4 Deg C is not suitable

Add-on tests for Renin and Aldosterone should not be done on samples which have been previously collected or stored at 4 Deg C

 

Collection Requirements for both or either tests

Collect into 4 mL EDTA tubes at Room Temperature. Do not collect on ice

If both Renin and Aldosterone are requested together, they can be collected into the same EDTA tube

 

Whole blood or plasma stored at 4 Deg C is not suitable

Add-on tests for Renin and Aldosterone should not be done on samples which have been previously collected or stored at 4 Deg C

Aldosterone - blood

Laboratory:
Biochemistry
Test Code:
ALDOS
Specimen types:
Plasma
Serum
Container types:
EDTA
Serum tube with gel		EDTA
Collection Instructions:

Collection Requirements

Collect into 4 mL EDTA tubes at Room Temperature. Do not collect on ice.

If both Renin and Aldosterone are requested together, they can be collected into the same EDTA tube.

If Aldosterone and cortisol are requested together (but not renin), then these can be collected in the same EDTA tube, or the same serum tube.

 

Whole blood stored at 4 Deg C is not suitable, separated plasma may be suitable.

Add-on tests for Aldosterone can be done on serum samples which have been previously collected and stored at 4 Deg C, for 4 days.

Minimum Adult Volume:
0.5 mL
Frequency:
Weekly
Result Turnaround Time:
4-7 days
Reference Interval:

Aldosterone (upright)                   <978 pmol/L

                    (supine)                   <654 pmol/L

Aldosterone/Renin Ratio              <70

Laboratory Use Only

  

Accessing Results

EMR: Pathology results are available via EMR.

Auscare: If EMR is unavailable, results can be accessed through Auscare. Don’t have an Auscare login? Complete the Auscare User Form.

To access Auscare, see instructions.

 

Forms & Collection Guides

Consent Form – Non-Medicare Tests
For tests not covered by Medicare. Download Form  

Pathology Request Form
Printable referral form for submitting pathology requests. Download Form.

Microbiology Swab Collection Guide 
Step-by-step instructions for correct swab collection. Download Guide.

Preferred Order of Draw
Instructions to ensure accurate blood collection and results. View Instructions 

 

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