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  • Sweat Chloride and Sweat Chloride Collection

Sweat Chloride and Sweat Chloride Collection

Includes: Sweat Chloride - left; Sweat Chloride - 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 30uL Sweat;
Availability Routine: Monday-Friday, 09:00-13:00; 4 appointments per weekday; Not available STAT
Turnaround Time   Results by 5pm. Monday-Friday
Reference Range
Chloride (mmol/L) Interpretation (All Ages)
<30  Cystic Fibrosis Unlikely
Intermediate
Indicative of Cystic Fibrosis
30-59

Intermediate; recommend further study to establish or rule out a Cystic Fibrosis diagnosis

≥60 Indicative of Cystic Fibrosis
Adopted from: "Diagnosis of Cystic Fibrosis:  Consensus Guidelines from the Cystic Fibrosis Foundation, 2017"
Comments Methodology: Coulometric Titration

Reviewed by Christopher Parker on April 17, 2018

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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