Pathology Handbook

Potassium

Synonyms

K

Clinical Indications

-

Part of Profile

U&E, Renal profile

Request Form 

Request on ICE

Availability

On request.

Specific Criteria

None

Turnaround Time

Same day 

Specimen

Serum; Yellow top (SST) tube

Volume

2 mL

Container

Vacutainer gold top

Collection

Samples should be transported to laboratory within 4 hours of collection

Causes for Rejection

Unlabelled sample
Haemolysis 
Delay in sample reaching laboratory 

Reference Range

3.5 - 5.3 mmol/L