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Test Code



Testing performed on Beckman Coulter DxC 700 AU with serum testing.

Test Utility

The sodium test system is intended for the quantitative measurement of sodium in serum. Measruement obtained by this advice are used in the diagnosis and treatment of aldosteronism (excessive secretion of the hormone aldosterone), diabetes insipidus, adrenal hypertension, Addison's diseases (caused by destruction of the adrenal glands), dehydration, inappropriate antidiuretic hormone secretion, or other diseases involving electrolyte imbalance.

Specimen Storage and Stability

Separate Serum from blood cells ASAP. Avoid hemolysis. One Gold Top or Tiger SST, 2.0mL. Sodium is stable in serum at least for 7 days at 2-8°C.

Specimen Collection and Preparation

Serum, free from hemolysis, is the recommended specimen.

Specimen Rejection

  • Improperly labeled

  • Specimen grossly

  • Hemolyzed uncentrifuged

Reference Ranges

136 - 145 mEq/L


Monday - Saturday, 16 hours a day.

Result available after getting the specimen in 5 hours.

STAT results available within 2 hours of receipt in the Laboratory.

*NOTE: All Specimen Refrigerated (2-8°C) for 7 days only.


Vibra Health Laboratory

Phone: (248) 846-0663

1307 Allen Dr, Suite A, Troy, MI 48083

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