CPT/HCPCS
84295
Order Code
CH181
Turnaround Time
24 hours
Test Includes
Sodium Serum
Specimen Requirements
Specimen Source
Serum, Plasma
Transport Container
(Specimen Container)
(Specimen Container)
SST (Tiger Top)/ Lithium Heparin/ Sodium Heparin
Preferred Specimens
Serum
Minimum Volume (uL)
.5 mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport Refrigerated (cold packs)
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | 2 weeks |
| Refrigerated | 14 days |
| Frozen | > 1 year |
Test Details
Methodology
Ion-selective electrode diluted (Indirect)
Clinical Significance
Sodium is the major cation of extracellular fluid; it plays an essential role in the normal distribution of water and in the maintenance of osmotic pressure in extracellular fluid compartments. Decreased levels of sodium may be caused by an excessive use of diuretics, prolonged vomiting, a decrease in the intake of sodium in the diet, and metabolic acidosis. Increased levels of sodium may be found in Cushing’s syndrome, severe dehydration, or in high levels of salt intake without an adequate supply of water.
Reference Ranges
139 – 146 mmol/L (0 Years – 2 Years)
138 – 145 mmol/L (2 Years – 11 Years)
136 – 145 mmol/L (11 Years – 90 Years)
132 – 146 mmol/L (90 Years – No Max Age Limit)
