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