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Feb 8, 2018

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100

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Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry

Sodium

Sodium (NA) Chemistry Lab Test

Name: Sodium

Test Name: Sodium

Health Link Test Code: NA

LIS Test Code: NA

CPT Code(s): 84295

Included In: Electrolytes Panel, Basic Metabolic Panel, Comprehensive Metabolic Panel

Methodology: Ion Selective Electrode

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: Green cap with yellow ring (PST)

Also Acceptable: Green top, Red cap with yellow ring (SST), Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.5 mL

Stability Ambient:

2 weeks

Stability Refridgerated:

2 weeks

Stability Frozen:

1 year

Sample Analyzed: Plasma or serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.2 mL

Specimen Processing:

Centrifuge. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Interpretation:

 

0 days and up: 136-145 mmol/L

Interpretation Type: Reference Interval

Critical Calls: yes