Potassium

Test/Investigation

Potassium

Site(s) or Laboratory offering Test/Investigation

NNUH, QEH, JPUH

Units

mmol/L

Also Known as/Frequency of Test

K

Comments/Precautions

Seasonal and diurnal variation observed. Old or haemolysed samples are not suitable for analysis.

Sample type

Serum

Turnaround times (TAT) Urgent/Routine/GP or OPD

1 hour / 4 hour / by 8am next day

Reference intervals (adult unless stated)

3.5 – 5.3 mmol/L

If UKAS Accredited Test indicate at which site

Y NNUH