CPT Code:


Test Type: Serum Kit Based
Stability Time:


Refrigerated: 14 days

Reference Range:
  • Low: <98 mmol/L
  • Normal: 98-110 mmol/L
  • High: >110 mmol/L
  • Alert: ≤80 or ≥120 mmol/L


Chloride is a negatively charged electrolyte that helps regulate the body’s salt/water and acid/base balance.

  • Elevated levels of chloride can indicate dehydration, high sodium, or kidney disease also Cushings syndrome.
  • Low levels of chloride can indicate low sodium, emphysema or chronic lung disease, or congestive heart failure also Addison disease.

Methodology - Ion Selective Electrode (ISE)

Collection Details:

Collection Instructions:

Preferred Specimen

1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST/Tiger Top)

Transport Temperature

Refrigerated (ship on frozen cold packs)