Is Sodium 165 high, normal or dangerous? What does Sodium level 165 mean?

📅 Medical Review Date: January 7, 2026

Your Sodium level of 165 is a High Sodium level.

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	138.244
5-10 years	140.525
10-15 years	142.844
15-20 years	142.805
20-25 years	142.766
25-30 years	142.727
30-35 years	142.688
35-40 years	142.649
40-45 years	142.61
45-50 years	144.963
50-55 years	144.924
55-60 years	144.884
60-70 years	144.845
70-80 years	144.806
80-90 years	144.766
90-100 years	144.727
>100 years	144.688

*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

Receive world-class medical opinion about your high Sodium levels over email.Upload blood test report now

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	138.311
5-10 years	140.662
10-15 years	143.053
15-20 years	143.011
20-25 years	142.969
25-30 years	142.928
30-35 years	142.887
35-40 years	142.845
40-45 years	142.804
45-50 years	142.763
50-55 years	142.722
55-60 years	142.681
60-70 years	142.64
70-80 years	142.599
80-90 years	142.557
90-100 years	144.98
>100 years	144.938

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