Laboratory Medicine

Test Catalogue

Aldosterone, 24Hrs Urine
Test Name Aldosterone, 24Hrs Urine
Specimen Type / Requirements Container Type = 24 hour plain container bottle Minimum Testing Volume = 5 mL urine from mixed urine Collection
Specimen Handling Collection Instructions: 24h urine collected in container without preservative and kept refrigerated or on ice during collection.. Ensure collection bottle is labelled correctly. Keep the collected urine refrigerated if possible and return to lab ASAP. Write your "start" and "end" date and time of collection on the collection label or requisition. Stability: Urine is stable refrigerated for 1 week. and frozen for 3 months (avoid freeze thaw cycles). Sample Rejection Criteria: Urine collected with acid or leaking specimen Transportation: Send sample to SMH core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 7 days	Test Utilization
Reference Value Sodium excretion 0 – 200 mmol/d: Urine Aldosterone 10 – 105 (mmol/d) Sodium excretion > 200 mmol/d: Urine Aldosterone < 39 (mmol/d)
Test Code 24ADO	Methodology LC-MS/MS)
Testing Location SMH-Biochemistry	Other Information Last Updated: Jan 31, 2023

Aldosterone, 24Hrs Urine

Test Name

Aldosterone, 24Hrs Urine

Specimen Type / Requirements

Container Type = 24 hour plain container bottle

Minimum Testing Volume = 5 mL urine from mixed urine Collection

Specimen Handling

Collection Instructions: 24h urine collected in container without preservative and kept refrigerated or on ice during collection.. Ensure collection bottle is labelled correctly. Keep the collected urine refrigerated if possible and return to lab ASAP.

Write your "start" and "end" date and time of collection on the collection label or requisition.

Stability: Urine is stable refrigerated for 1 week. and frozen for 3 months (avoid freeze thaw cycles).

Sample Rejection Criteria: Urine collected with acid or leaking specimen

Transportation: Send sample to SMH core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

7 days

Test Utilization

Reference Value

Sodium excretion 0 – 200 mmol/d: Urine Aldosterone 10 – 105 (mmol/d)

Sodium excretion > 200 mmol/d: Urine Aldosterone < 39 (mmol/d)

Test Code

24ADO

Methodology

LC-MS/MS)

Testing Location

SMH-Biochemistry

Other Information

Last Updated: Jan 31, 2023