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Chloride

Methodology

Chloride ion concentration is determined by indirect potentiometry utilizing a solid state chloride electrode in conjunction with a glass sodium reference electrode.

Test Utility

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.

Specimen Rejection

  • 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

Reference Pages

Performed

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

Contacts

Vibra Health Laboratory

1307- A, Allen Dr

Troy, MI 48083

(248) 846-0663

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