Sweat analysis
| Sweat analysis | |
| cystic fibrosis, SW, SWEATT, sweat chloride | |
| Sweat samples are collected via the Macroduct collection system. Please contact the lab for more details (01733678455). A minimum of 50mm length of sweat in the macroduct is required for analysis. Once collected, the capillary should be clamped and transported to the laboratory by hand (i.e. not via the pneumatic tube system). Please record the duration of the sweat collection period on the request form. Upon receipt, specimens are stored refrigerated and referred with the Macroduct tubing sealed in a universal container. | |
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This test is referred to another centre: Department of Clinical Chemistry Expected turnaround time: 4 weeks |
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| Used in the diagnosis of cystic fibrosis | |
| Sweat tests should be delayed in subjects who are oedematous and/or on systemic corticosteroid. Sweat tests should be delayed in subjects who are dehydrated, underweight, systemically unwell or who have eczema affecting potential stimulation sites. Sweat tests should not be performed in subjects who are on oxygen by an open delivery system. Throughout collection, transport and analysis, every effort should be made to minimise evaporation of the sample. The use of chloride containing solutions to clean the skin, or application of local anaesthetic gel should be avoided during collection. |
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| Contact referral laboratory for details | |
| Analytical error [1] | Contact referral laboratory for details |
| Reference change value [1] | Contact referral laboratory for details |
