Test Code Na SODIUM, SERUM
Patient Preparation
No special preparation required
Collection Method
Venous collection
Minimum Volume
Adults |
1.0 mL |
Pediatric |
0.5 mL |
Container
Lt Green / Plasma Separator / Lithium Heparin
Preferred Specimen
Light Green Top (lithium heparin) plasma
Acceptable Specimen(s)
Serum:
-Gold Top SST
-Red Top
Plasma:
-Lt Green top (lithium heparin)
Reference or Target Ranges
Sodium: |
136 – 145 mmol/L |
Reportable Units
mmol/L
Critical Value
≤ 120 mmol/L |
≥160 mmol/L |
Reasons for Rejection
Hemolysis Threshold: |
750 mg/dL |
Icterus Threshold: |
60 mg/dL |
Lipemia Threshold: |
3000 mg/dL |
Other: |
QNS, contaminated, improperly labeled, improper specimen type |
Specimen Stability
Refrigerated |
7 Days |
Frozen |
30 Days |
Performance Information
Days and Time Performed |
24/7 |
Expected Turn Around Time |
Stat: 1 Hour, Routine: 4 Hours |
Stat Availability |
Yes |
Performing Bench |
CRMC Chemistry |
Methodology/Method Description |
Atellica |
Methodology/Method Description
Atellica CH Analyzer
CPT Codes
84295