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  • Sweat Chloride and Sweat Chloride Collection

Sweat Chloride and Sweat Chloride Collection

Includes: Sweat Chloride & Amount of Sweat - left; Sweat Chloride & 
              Amount of Sweat - right
This test must be scheduled with Phlebotomy Services.
Please call Sweat Chloride Collections, Appointment Scheduling: 984-974- 1760.  
Sweat Chloride Collections are available between the hours of 08:30 AM until 13:00 PM Monday-Friday; No weekends or holidays.
Only four Sweat Chloride collection appointments are available per day.
Test ID  
LAB1726
LAB6059
EPIC ORDER
  SWEAT CHLORIDE; SWEAT CHLORIDE COLLECTION
CPT Code(s)   82438, 89230
Group/Individual Test   Group
Laboratory   Core- performed by: Special Chemistry Lab
Tube Station   N/A-must be hand delivered
Specimen Routine: Sterile Sweat Collection; bilateral collection; minimum 75 mg Sweat; see Comments
Availability Routine: Monday-Friday, 09:00-13:00; 4 appointments per weekday; Not available STAT
Turnaround Time   Results by 4pm. Monday-Friday
Reference Range Normal:

Age Related Reference Ranges:  Sweat Chloride

Age 

Chloride (mmol/L) Interpretation
</= 6 months </= 29
30-59
>/= 60 
Cystic Fibrosis Unlikely
Intermediate
Indicative of Cystic Fibrosis
> 6 months </= 39
40-59
>/= 60 

Cystic Fibrosis Unlikely
Intermediate
Indicative of Cystic Fibrosis

  1. Clinical correlation is necessary.
  2. Sweat Chloride values less than 30 mmol/L have been documented in genetically proven CF patients.
  3. For further clinical interpretation of results, please contact the CF Center Director at (919) 966-2069.
Comments Methodology: Iontophoresis

Reviewed by ivette_marrero on March 30, 2016

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514

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