Sodium

Electrolytes are minerals that have an electrical charge when they are dissolved in water or body fluids. You have electrolytes in your blood, urine, tissues, and other body fluids.

An electrolyte panel is often part of a routine blood screening or a comprehensive metabolic panel. The test may also be used to find out if your body has a fluid imbalance or an imbalance in acid and base levels.

Source: MedlinePlus, U.S. National Library of Medicine

Normal range

134144mmol/L →normal
1 y+
135–145 mmol/L
Normal
134–144 mmol/L
Normal
41–227 mmol/24 h

Ranges from LabCorp Test Directory, Mayo Clinic Laboratories (Pediatric Test Catalog), Mayo Clinic Laboratories (Test Catalog).

All 8 source ranges

What an abnormal result can be associated with

A high result
Hypernatremia
A low result
Hyponatremia

Associations from LOINC2HPO (Human Phenotype Ontology). This is reference information, not a diagnosis — only a clinician can interpret your result in context.

Details

Sample
Serum or plasma · LOINC
Collection
Serum gel tube · 0.5 mL · Mayo Clinic Laboratories (Test Catalog)
Part of
Electrolytes panel
Monitored for
Hypertension
Listed under
Diabetes Insipidus · Fluid and Electrolyte Balance · Sodium
Code
LOINC 2951-2 · mEq/L
Also known as
Na