Advanced Diagnostic Laboratories

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