Test Overview
Test Methodology

Potentiometric (ISE)

Test Usage

Evaluate electrolyte balance

Reference Range *

0-11 years: 132 - 145 mmol/L, 12-150 years: 136 - 146 mmol/L.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

2 hours

Soft Order Code
SOD
MiChart Code
Sodium
Synonyms
  • Na
  • Sodium
  • SOD
  • SODIUM LEVEL
Laboratory
Chemical Pathology
Section
Automation
STAT Availability

STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).

Specimen Requirements
Collection Instructions

Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Alternate Specimen
Green top (sodium or lithium heparin), Red top.
Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
84295
Fee Code
20506
LOINC
2951-2
Resources