Is Sodium 170 high, normal or dangerous? What does Sodium level 170 mean?

📅 Medical Review Date: May 28, 2026

Your Sodium level of 170 is a High Sodium level.

A sodium level of 170 mmol/L usually means there is too much sodium or too little water in the body. It suggests hypernatremia. High levels of sodium can cause extreme thirst, dry mouth, confusion, restlessness, muscle twitching, seizures, and coma in severe cases. This can be caused by dehydration, excessive salt intake, certain medications, or diabetes insipidus. Further tests are often needed to identify the cause and guide appropriate treatment.

High Sodium levels may indicate underlying health problems. The normal range is typically between 136 mmol/L and 145 mmol/L. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal Sodium range for men is :136 - 145 mmol/L

Ideal values of Sodium depending on age (male) :

Age	Ideal Sodium value
<5 years	138.312
5-10 years	140.663
10-15 years	143.054
15-20 years	143.013
20-25 years	142.971
25-30 years	142.93
30-35 years	142.889
35-40 years	142.848
40-45 years	142.806
45-50 years	142.765
50-55 years	142.724
55-60 years	142.682
60-70 years	142.641
70-80 years	142.6
80-90 years	142.559
90-100 years	144.983
>100 years	144.941

*Ideal values are calculated based on our database of patient records

Get Advice via Email : Send us your blood test report, and our Sodium experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides Sodium, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

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Some examples of conditions that increase or decrease Sodium levels include:

• Conditions that lead to too much anti-diuretic hormone (ADH)
• Cushing syndrome
• Nephrotic syndrome
• Diabetes insipidus
• Excess fluid buildup in the body (edema) caused by heart failure

Normal range of Sodium found among women :136-145 mmol/L

Ideal values of Sodium depending on age (female) :

Age	Ideal Sodium value
<5 years	138.381
5-10 years	140.804
10-15 years	143.269
15-20 years	143.225
20-25 years	143.181
25-30 years	143.137
30-35 years	143.093
35-40 years	143.05
40-45 years	143.006
45-50 years	142.962
50-55 years	142.918
55-60 years	142.874
60-70 years	142.83
70-80 years	142.786
80-90 years	142.742
90-100 years	142.698
>100 years	142.655

If you take a Sodium blood test and the results are not in the normal range (136-145 mmol/L), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Sodium Test Is Done :

When your doctor orders a Sodium test, it involves a straightforward blood draw to measure your Sodium levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Sodium test results are usually available within a few hours.

Medical References

• MedlinePlus – Sodium Blood Test
• MedlinePlus – Sodium blood test
• WebMD – Sodium Levels & Sodium Blood Test