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, QEH

Source

Pathology Harmony [Pathology Harmony Group, Clinical Biochemistry Outcomes, January 2011] https://www.acb.org.uk/asset/EEA82309-7E93-417D-9B8991B0C65C52FB/; accessed 09/11/2021