Sweat Chloride
Collection Requirements
This collection requires a scheduled appointment. Scheduling information can be found on this webpage.
Turn Around Time
1-4 days
Testing performed Monday-Thursday
Must be received in the Toxicology Lab by 3:30 p.m. to be included in the batch
Availability
Routine
Lab Processing Instructions
Specimen: macroduct collector sweat disc
Refrigerate
Performing Laboratory
Adele Hall
Adele Hall Lab Section
Toxicology
Instrumentation/Methodology
Westcor Macroduct
Reference Ranges
0-29 mmol/L - Cystic fibrosis unlikely
30-59 mmol/L - Intermediate range; need further study to establish or rule out a cystic fibrosis diagnosis
≥60mmol/L - Indicative of cystic fibrosis for individuals presenting with a positive newborn screen, clinical features consistent with CF, or a positive family history
CPT
89230
82438 x2