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Chloride

Alternate Name: Cl

SAL Code:

303

CPT:

82435

Loinc:

2075-0

Turn Around Time:

1 Day

Setup:

Daily

Units:

mEq/L

Department:

Chemistry

Performing Laboratory:

Sherman Abrams Laboratory

Methodology:

Ion-Selective Electrode

Specimen Requirements:

Primary Tube:

SST

Primary Substance:

Serum

Temperature

Period

Stable Ambient:

7 Days

Stable Fridge:

7 Days

Stable Frozen:

28 Days

Rejection Criteria:

Improper labeling

Clinical Info:

Serum chloride is the major extracellular anion and counter-balances the major cation, sodium, maintaining electrical neutrality of the body fluids. Two thirds of the total anion concentration in extracellular fluids is chloride and it is significantly involved in maintaining proper hydration and osmotic pressure. Movement of chloride ions across the red blood cell membrane is essential for the transport of biocarbonate ions in response to changing concentrations of carbon dioxide. Chloride measurements are used in the diagnosis and treatment of electrolyte and metabolic disorders such as cystic fibrosis and diabetic acidosis.

Additional Information:

Evaluate electrolytes, acid-base balance, water balance. Chloride generally increases and decreases with plasma or serum sodium.

Sample Collection:

Collect patient samples using standard phlebotomy techniques. Click here for additional collection instructions.

Test Limitations:

Patients recently exposed to bromide may have elevated results.

Test Information:

Components:

Brooklyn Navy Yard
Building 292, Suite 416
63 Flushing Avenue
Brooklyn, NY 11205

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