Sweat Test
Test Code
SWEAT
Description
Collect
Sweat Chloride Sample
Onsite [NJH]: Transport to lab within 1 hour.
Preferred Volume: 30 mcL
Minimum Volume: 15 mcL
Storage Transport Temp
Room Temperature
Stability
72 hours at 2-25°C when stored in 0.2 mL micro centrifuge tube; 30 days frozen at -20°C
Performed
Batch tested once per day Monday through Friday
Methodology
Coulometric titration
Turnaround Time
4 hour turnaround time
Department
Core Lab
Reference Interval
Age |
Normal Range |
Intermediate Range |
Indicative of CF Range |
Infants (0-6 months) |
Cl- ≤ 29 mmol/L |
Cl- 30-59 mmol/L |
Cl- ≥ 60 mmol/L |
Beyond Infancy (6 months-18years) |
Cl- ≤ 39 mmol/L |
Cl- 40-59 mmol/L |
Cl- ≥ 60 mmol/L |
Adults (>18 years)* |
Cl- ≤ 39 mmol/L |
Cl- 40-59 mmol/L |
Cl- ≥ 60 mmol/L |
CPT Code
82438