Chloride ion concentration is determined by indirect potentiometry utilizing a solid state chloride electrode in conjunction with a glass sodium reference electrode.
Chloride measurement is used in the diagnosis and treatment of electrolyte and metabolic disorders.
Specimen Collection and Preparation
Serum or plasma sample in the following tubes:
Serum separator tube (gold or tiger top)
Lithium Heparin OR Sodium Heparin OR Ammonium Heparin (green top)
Specimen Storage and Stability
Sample should be centrifuged at 3000 rpm for 15 minutes within 2 hours of collection, and plasma separated as soon as possible.
Store serum or plasma at the following temperatures:
Room temperature: 15°C to 30°C no longer than 8 hours
Refrigerated: 2°C to 8°C up to 48 hours
Frozen: -20°C or lower up to 7 days. Samples should only be thawed once.
Insufficient sample volume
Sample not stored at proper temperature
Frozen whole blood
Severely hemolyzed samples
Severely lipemic specimens
Specimen labeled incorrectly or not labeled
Potassium oxalate or Sodium fluoride samples
Monday – Saturday
Result available within 24 hours of receipt in laboratory
NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal
STAT results available within 2 hours of receipt in the laboratory
Vibra Health Laboratory
1307- A, Allen Dr
Troy, MI 48083