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Laboratory Medicine

Test catalogue

Potassium, 24Hrs Urine

Test name

Potassium, 24Hrs Urine

Plain 24 bottle Specimen Type / Requirements

Container Type = 24 hour plain container bottle

Minimum Volume = 5 mL urine from mixed urine Collection

Specimen Handling

Collection Instructions: 24h urine collected in plain container without preservative. 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: Stable for 24 hours at room temperature, 2 weeks refrigerated and frozen at -15 to -200C for 3 months.

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

Sample Rejection Criteria: Unlabeled or leaking specimen.

Required Documentation

Turnaround Time (TAT)

2 days except Weekends

Test Utilization

Reference Value

25 - 125 mmol/d

Test Code

24K

Methodology

Spectrophotometric (Enzymatic/Colorimetric)

Testing Location

SMH-Biochemistry

Other Information

Last Updated: September 26, 2019