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Sweat chloride testing

Alias: N/A

Discipline: Clinical Chemistry

Test information: Sweat chloride and conductivity/sodium concentrations are increased in cystic fibrosis, and their measurement provides the definitive test for diagnosis of cystic fibrosis.

Specimen Type(s)
  • N/A;
Other Acceptable Specimen Type(s)
Sweat
Specimen Container - Adult
  • N/A;
Specimen Container - Paediatric
  • N/A;
Analytes
  • N/A;
Part of a test profile?
No
Volume (min) of sample to be sent to laboratory
20ul
Patient Preparation, Sample Handling and Transport
Collected using Wescor Macro-duct system. Infants after 2 weeks of age and greater than 2 kg
Maximum add on time
N/A
Units and Reference Ranges / Interpretation
<30 mmol/L in patients less than 6 months of age
, <40 mmol/L in patients 6 months and older.
UKAS number
8869
UKAS accredited test?
Yes
Comments
N/A

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Last updated: 03-05-2024