Sweat chloride testing

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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