- Test Name
- Chloride, sweat
- Aliases
- Sweat Test; Sweat Test Panel; Sweat Chloride
- Provincial Mnemonic
- SWETEP
- LOINC Test Code
- XNL00152-9
- Description and Primary Use
- Part of diagnostic work-up for Cystic Fibrosis (CF) in the following situations: *Positive CF newborn screening *Patient with respiratory or gastrointestional symptoms suggestive of CF *Family history of CF/carrier status.
- Reorder interval
- Not yet defined
- TAT
- ≤3 Days
- Test Cost
- Not Available
- Tier
- 2 - Conditional/Restricted Access (See Ordering Requirements)
- Ordering Requirements (Restrictions / Conditions)
Sample collection is restricted to specific sites:
Please call the following numbers to book appointments:
- Western Memorial Hospital, Corner Brook (709-784-5187);
- Health Sciences Centre, St. John’s (709-777-4513);
- CNRHC, Grand Falls-Winsor (709-292-2126).
Please ensure patient is not dehydrated prior to presenting for sample collection.
- Required Consultations
- None
- Algorithms and Guidelines
None
- Special Patient Preparation
None
- Special Collection / Transport / Processing Requirements
Collection performed by authorized staff.
- Criteria for Rejection
Patients who are dehydrated/edematous on systemic corticosteroids or significantly sick or where area of collection has any diffuse inflammation, serous, or bloody discharge. Less than 15 µl sweat collected in less than 30 minutes.
- Laboratory Service Area
- Clinical Chemistry
- Performing Laboratory / Site
- Category 4 Laboratory (HSC only)
- Last Updated
- 28-Aug-19