Potassium faeces

Specimen:

24 h collection.

Method:

Flame photometry, ISE.

Reference Interval:

< 5 mmol/24 h

Application:

Very rarely indicated to document faecal potassium loss as a cause of Hypokalaemia.

Interpretation:

The test should be evaluated in conjunction with urine potassium.

Reference:

Shian Y.F. Crit Rev Clin Lab Sci. 1987; 25: 43-69.