Cystic fibrosis screening
Sweat collected as an in ward procedure
Chilled (2 - 8 degrees Celsius)
If overnight - Chilled (2 - 8 degrees Celsius)
At least 75 mg of sweat, preferably >100 mg Fridge
Chloride - mercuric thiocyanate
$62.47 (Exclusive of GST)
Chloride less than 40
A sweat chloride concentration less than 40 mmol/L makes cystic fibrosis unlikely, although cases have been described. The likelihood of cystic fibrosis decreases with decreasing sweat chloride levels so that a sweat chloride less than 20 mmol/L makes cystic fibrosis extremely unlikely."
A sweat chloride concentration between 40 and 60 mmol/L is suggestive of the diagnosis of Cystic Fibrosis. Recommend CFTR mutation analysis to confirm or clarify the diagnosis.
Chloride greater than 60
A sweat chloride concentration greater than 60 mmol/L strongly supports the diagnosis of Cystic Fibrosis. Recommend CFTR mutation analysis to confirm or clarify the diagnosis.
Less than 75 mg of sweat not able to be analysed.
Charges don't include the cost of collection