Test 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: Roche Cobas ISE indirect Na-K-Cl for Gen.2 Method Sheet Version 5.0 2024-05
Methodology
Roche Cobas c503/c303
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
55 uL with insert cup
Specimen Stability
| Temperature | Time |
|---|---|
| Ambient (15-25°C) | 14 days |
| Refrigerated (2-8°C) (store) | 14 days |
| Frozen (-15 to -20°C) |
Separate plasma or serum from cells within 2 hours.
Reference Ranges
| Normal Range | |
|---|---|
| 136 - 145 mmol/L |
| Critical Values | |
|---|---|
| <1 month | <121 or >169 mmol/L |
| >1 month | <116 or >169 mmol/L |
| Technical Range | |
|---|---|
| 80 - 180 mmol/L | |
Rejection Criteria
| Hemolysis | Index >1,000 |
|---|---|
| Icterus | Index >60 |
| Lipemia | Index >2,000, ultracentrifuge |
Availability
| Performed | STAT |
|---|---|
| 24/7 | Yes |
Performing Laboratory
MultiCare Yakima Memorial Hospital Laboratory
MultiCare Cancer Care (NSL)
Lab Department
Chemistry
CPT Code
84295
LOINC
2951-2 Sodium [Moles/Vol]