Directory of Tests:

Sodium

Test Name

Sodium

Test Code

226

Unit

mmol/L

Station

Chemistry

Synonym Name/Abbreviation

Na, Natrium

CPT Code

84295

Performing Facility

American Medical Labs, Herzliya
Pituah

Analyzer

Roche cobas 6000

Test Method

Ion Selective Electrode

AML Preferred Tube

5 mL SST gel

 

Storage Instructions

Refrigerated. Separate serum from cells within 45 minutes;

Stability:

Up to 14 days at room temperture

or at 2 to 8 oC

stable at -20 oC.

Min. Volume

1 mL

Turn-Around-Time

One day

Intended Use

Electrolyte; acid-base balance; water balance; water
intoxication; diagnose dehydration; evaluate hypo and hyper
natremia.

Limitations

Gross hemolysis;

Measuring range: 10 to 250
mmol/L.

Patient Preparation

No patient preparation
needed

Reasons for Rejection

Gross hemolysis; improper
labeling

Adult Reference Ranges

 133 to 145
mmol/L

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