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Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

Potassium
(a.k.a K)
minimum sample volume required ~ 5ml

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Reference range
3.5-5.5

Units
mmol/L

Linked to
C&E's

Turnaround Time
1 day

Department: Biochemistry

Clinical Application
Some patients exhibit pseudohyperkalaemia, due to release of potassium from red cells, white cells or platelets on clotting: leukaemia and thrombocythaemia should be excluded. Pseudohyperkalaemia can be investigated by taking blood into Lithium-heparin tube and analysing uncentrifuged sample.

 
 

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