Important Information about Monkeypox from NC-DHHS (5/20/2022) to All North Carolina Clinicians and Laboratorians

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 15uL Sweat;
Stability: Refrigerated 2-8°C:  72 hours
Availability Routine: Monday-Friday, 09:00-13:00; 4 appointments per weekday; Not available STAT
Turnaround Time 12 hours
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 November 01, 2021

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