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Test Code LAB1606 Sweat Chloride

Performing Section

Chemistry

Purpose/Principle

Determine the chloride ion concentration in sweat to aid in the diagnosis of cystic fibrosis.

Special Collection Notes

Collections only performed at Anschutz Campus. Patients will need to call 720-777-6711 to schedule testing.

Specimen Volume

Preferred: 60 mcL
Minimum: 15mcL

Processing Instructions

Sweat collection can not be performed at NOC/Client.
Send orders via fax to 720-777-7125 (outpatient lab-Main)

Test Components

Sweat Vial Full-L
Sweat Vial Empty-L
Sweat Vial Full-R
Sweat Vial Empty-R
Sweat Volume-L
Sweat Volume-R
Sweat Chloride Left
Sweat Chloride Right

Reference Range

Sweat Vial Full-L

This component has no reference ranges

 

Sweat Vial Empty-L

This component has no reference ranges ;

 

Sweat Vial Full-R

This component has no reference ranges ;

 

Sweat Vial Empty-R

This component has no reference ranges ;

 

Sweat Volume-L

15.0-120.0 mcL;

 

Sweat Volume-R

15.0-120.0 mcL;

 

Sweat Chloride Left

0-29 nmol/L;

Sweat Chloride Right 0-29 nmol/L

TAT

3 Days

Sample Stability

Ambient: 72 hours
Refrigerated: 72 hours
Frozen @ less than -70 Celsius: 18 months (frozen with 2 hrs of collection)

Additional Notes

For use in the diagnosis of Cystic Fibrosis only

Aliases

SW CL
CF Sweat Test Electrolytes

CPT

82438

Method

Coulometric titration