Test Category: Biochemistry
Investigation Name:Potassium – Random Urine

Alias or Abbreviation:K (Random Urine)
Pathology Laboratory:Clinical Chemistry/ Biochemistry
Requestable Seperately?Yes
Units:mmol/L
Minimum Sample Volume:1 mL
Expected Turnaround Time:Inpatients: 4 hrs. Outpatients:1 day (from receipt)
Test Code:UEL
Sample Type:
Urine (Plain)Maximum Add on Time:3 days
Complex Reference Range:Interpretation depends on potassium intake/ loss and serum potassium.
In the investigation of hypokalaemia, IN NORMALLY HYDRATED PATIENTS, urine potassium <20 mmol/L means that renal loss of potassium is unlikely to be the cause whereas urine potassium >30 mmol/L means that renal loss of potassium is likely to be the cause.
Referred to Another Laboratory?No
Site Sample Tested:All acute sites
Contact Number:01902 307 999 Ext 88266