K+ Potassium test
About the parameter
In the human organism approximately 50 mmol of potassium per kilogram can be found (98% of which is stored in cells, 2% extracellular). To guarantee membrane potential and cell excitability the concentration difference needs to be maintained. The required daily dose of potassium (30 – 50 mmol) is ingested with food and resorption mainly happens in the small intestine. Potassium is excreted through the kidney by 90% and through stool by 10%. Whenever the potassium household is imbalanced it cannot be compensated easily. Disturbance within the potassium metabolism, no matter whether deficiency or excess, can quickly lead to life-threatening states which primary affect the heart function.
The reagent agglutinates potassium ions and forms a stable, cloudy suspension. The degree of turbidity is measured at 700 nm with the photometer.
0 – 12 mmol/l
- Children < 1 years: 3.2 – 6.1 mmol/l
- Children > 1 years: 3.1 – 5.1 mmol/l
- Adults < 60 years: 3.3 – 5.1 mmol/l
- Adults > 60 years: 3.7 – 5.4 mmol/l
It is recommended that each laboratory establishes its own expected range.
The test takes approximately 4 minutes.
More details can be found in the package insert.
Please note: All package inserts provided on this website are intended for information purposes only! Always process all tests, controls and calibrators strictly according to the package insert provided with the kit.
ST 0270 K+ Potassium test kit (containing 32 tests)
ST 2700 K+ Potassium control kit (decision level)
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