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Laboratory Test Directory

Chloride, Sweat (Updated)

Components

Name Method Department Units
Chloride, Sweat Coulometry
Core Lab, Chemistry, Routine mmol/L

Specimen Requirements

Sweat

Container Type Container Size Specimen Volume
Preferred

As appropriate

N/A
Stability

Room temperature - 24 hour(s)
Refrigerated - 3 day(s)

Specimen Preparation

  • Collected by laboratory staff

Reasons for Rejection

  • Contamination
  • Diluted specimen

Comments

Collections can be performed at the following locations:

Dublin CTH (Hospital Drive), East Broad CTH, Lima LSC, Mansfield CTH, Springfield CTH, Westerville CTH, Zanesville LSC, and the Outpatient (Orange) Lab.

If the Outpatient Lab on main campus is most convenient, the collections can be scheduled through Central Scheduling at 614-722-6200. Collections for all other locations should be scheduled directly with the site.  Client Services can be called at (614) 722-5477 for site-specific contact information.

Patients should be well hydrated and kept warm during sweat collection. The patient cannot leave the lab/facility during the sweat chloride collection. Child should be at least 48 hours old, as erroneous results can occur if newborn is less than 48 hours old.

CPT Code

  • 89230
  • 82438