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HelpTest Code NA Sodium
Additional Codes
| EPIC | LAB4191 |
Clinical Significance
Sodium measurements are used in the diagnosis and treatment of aldosteronism (excessive secretion of hormone aldosterone), diabetes insipidus, adrenal hypertension, Addison's disease, dehydration, inappropriate antidiuretic hormone secretion, or other diseases involving electrolyte imbalance.
Source: Beckman Coulter Unicel, NA IFU. REF #A18529AM 12/22/15
Methodology
Indirect potentiometry (Beckman Coulter UniCel DxC 660i)
Sample Type
| Preferred Sample Type | |
|---|---|
| Light green top - Plasma | |
| Acceptable Sample Type(s) | |
|---|---|
| Dark green top - Plasma | |
| Yellow top - Serum | |
| Red top - Serum | |
Centrifuge: Yes
Specimen Minimum Volume
0.5 mL
Specimen Stability
| Temperature | Time |
|---|---|
| Ambient (18-25°C) | 8 hours |
| Refrigerated (2-8°C) (store) | 48 hours |
| Frozen (-15 to -20°C) | 1 month |
Separate plasma or serum from cells within 2 hours.
Reference Ranges
| Normal Range | |
|---|---|
| <1 month | 133 - 142 mmol/L |
| >1 month | 135 - 143 mmol/L |
| Critical Values | |
|---|---|
| <1 month | <121 or >169 mmol/L |
| >1 month | <116 or >169 mmol/L |
| Technical Range | |
|---|---|
| 100 - 200 mmol/L | |
Rejection Criteria
| Hemolysis | N/A |
|---|---|
| Icterus | N/A |
| Lipemia | 3+ or greater, ultracentrifuge |
Availability
| Performed | STAT |
|---|---|
| 24/7 | Yes |
Performing Laboratory
MultiCare Yakima Memorial Hospital Laboratory
Lab Department
Chemistry
CPT Code
84295
LOINC
2951-2 Sodium [Moles/Vol]