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Sodium
MessageAvailable STAT
​Performed in the Chemistry Laboratory, x5820
10.2018
​Performed in the Chemistry Laboratory, x5820
10.2018
Test Code
NA
Alias/See Also
Sodium, Urine Random
Sodium, Urine Timed
Sodium, Urine Timed
CPT Codes
84295
Preferred Specimen
Plasma from a green top (PST) tube
Minimum Volume
1mL
Instructions
Centrifuge within 2 hours of collection
Transport Container
Green Top (PST) tube
Transport Temperature
Room temperature
Specimen Stability
2 - 8 oC: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
IV fluid contamination
Methodology
Ion Selective Electrode (Indirect method)
Setup Schedule
This assay is performed 24 hours per day, 7 days per week
Reference Range
127 - 143 mEq/L (0 - 1 months)
130 - 147 mEq/L (1 month - 6 months)
135 - 145 mEq/L (> 6 months)
Critical Alert values: ≤ 120 mEq/L or ≥ 160 mEq/L.
130 - 147 mEq/L (1 month - 6 months)
135 - 145 mEq/L (> 6 months)
Critical Alert values: ≤ 120 mEq/L or ≥ 160 mEq/L.
Clinical Significance
This test is used in the diagnosis and treatment of many diseases involving electrolyte imbalance
