Sweat Chloride

Sweat Chloride can only be performed at Meritus Medical Center.
Monday - Friday 10am-2pm
Call 301-790-8700 to schedule

Test Code

CPT Codes

Sweat Chloride will not be collected on infants less than 48 hours old

In most affected infants the sweat test becomes positive between 3 and 5 weeks of age.

Reference Range
Less than 50 mmol/L : Normal result
50 mmol/L or greater : POSITIVE result

Clinical Significance
This is a screening test for cystic fibrosis. Patients having a positive result should be referred to a cystic fibrosis care center for a quantitative sweat chloride concentration.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.