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Test Code LAB0209122 Sodium, Plasma or Serum

Methodology

Integrated Chip Technology (ICT)

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Specimen Type: Plasma

Container/Tube:

Preferred:  Green top (lithium heparin)

Acceptable:  Serum (Red top, Gold/SST),  Na Heparin  plasma (label speceimen appropriately)

Specimen Volume: 0.5 mL

Minimum Volume: 0.25 ml

Specimen Transport Temperature

Refrigerated

Reference Values

0-7 days: 133-146 mmol/L

7-30 days: 134-144 mmol/L

1-6 months: 134-142 mmol/L

6-12 months: 133-142 mmol/L

>1 year: 136-146 mmol/L

Critical values (automatic call-back): ≤120 mmol/L or ≥150 mmol/L

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

84295