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Sodium
MessageThe determination of electrolytes is one of the most important functions in the clinical laboratory. Electrolytes affect most metabolic pro
Test Code
NA
Alias/See Also
LAB3000120
CPT Codes
84295
Preferred Specimen
2.0 mL serum collected in a gold serum separator tube (SST)
Minimum Volume
0.5 mL serum
Other Acceptable Specimens
2.0 mL serum collected in an orange rapid clot serum separator tube (RCT)
2.0 mL plasma collected in an orange plasma separator tube (PST)
2.0 mL plasma collected in an orange plasma separator tube (PST)
Specimen Stability
Serum should be separated from red cells as soon as possible.
Reference Range
| Sex | Age | Reference Range |
|---|---|---|
| M/F | 0 - 150 years | 135 - 145 mmol/L |
Performing Laboratory
Penn Medicine Lancaster General Health
