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EPIC ORDER CODE LAB122 Sodium

Important Note

SERUM OR PLASMA MUST BE SEPARATED FROM THE RED CELLS WITHIN 1 HOUR OF VENIPUNCTURE.

HEMOLYZED SAMPLES WILL NOT BE USED FOR TESTING.

Additional Codes

SQ: NA

Specimen

Preferred Green-plasma

acceptable: Red or SST serum

Specimen Storage/Transport

ROOM TEMPERATURE: 14 DAYS

REFRIGERATED: 14 DAYS

FROZEN: 1 MONTH

REFERENCE RANGES

NORMAL RANGES:

FEMALES/MALES: 136-145 mmol/L

CRITICAL VALUES:

<121 mmol/L

>159 mmol/L

Methodology

ION-SELECTIVE ELECTRODE