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Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

Sweat Chloride

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Tube type: Blank

Special instructions
Contact lab before requesting.

Sample type
Macroduct Sweat sample

<40 (or <30 if <6 months old): Negative: Low probability of CF.
40-60 (or 30-60 if <6 months old): Intermediate: Suggestive of but not diagnostic of CF.
>60 Positive: Supports the diagnosis of CF.


Turnaround Time
1 day

Department: Biochemistry

Clinical Application
Diagnosis of cystic fibrosis.

Please note: This test is not currently accredited by UKAS to the ISO 15189 (2012) Standard


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