Ordering Code | 169 |
---|---|
Test Name | Sodium |
Alias | Na Sodium ISE |
Preferred Specimen | Serum |
Preferred Container | SST (Gold) |
Other Specimen/Container | Serum in Plain (Red), Plasma in Lithium Heparin (Green-PST), Plasma in Lithium Heparin (Dark Green-PP No Gel) |
Optimum Volume | 1 mL |
Handling Instructions | All specimen types must be centrifuged within 2 hours of collection. If no gel separation present in tube and testing is delayed, plasma/serum is aliquoted from cells within 2 hours of collection. |
Transport Requirements | Oahu: Refrigerated Airline: Refrigerated |
Specimen Stability | Refrigerated: 1 Week Frozen: 3 Months (Aliquot) Frozen samples should be thawed once. |
Rejection Criteria | Moderately hemolyzed, Insufficient quantity, Specimen older than stability limits |
Avail. Stat | YES |
Analytic Time | 1 Day |
Methodology | Ion Selective Electrode |
Reference range(s)
The reference ranges listed below are valid on this date of July 15, 2025.
Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
---|---|---|---|---|---|---|---|---|---|
Sodium | >=19Y | 136-145 | <= 120 | >= 160 | 136-145 | >= 160 | <= 120 | mEq/L | |
Sodium | 0-18Y | 136-145 | <= 130 | >= 150 | 136-145 | >= 150 | <= 130 | mEq/L |