Reference Ranges
Clinical Reference
135.0 – 145.0 mmol/L
Optimal Range
138.0 – 142.0 mmol/L
Critical Range
< 120.0
/
> 160.0
mmol/L
Serum sample
Related Conditions
Dehydration
High
Hyponatremia
Low
Siadh
Low
Food & Lifestyle Recommendations
🍎 Food
Drink to thirst rather than on schedule; ensure adequate sodium if exercising heavily
Overhydration is a common cause of hyponatremia
Evidence-Backed Supplements
When Low
-
Oral rehydration salts correct mild hyponatremia under medical supervision
Electrolyte mix Per label / medical guidance Any
Questions to Ask Your Doctor
- Is this from overhydration, medications, or SIADH? Cause determines treatment
Upload your blood test to see how your Sodium (Serum) compares to reference and optimal ranges.
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