Is Sodium 173 high, normal or dangerous? What does Sodium level 173 mean?

📅 Medical Review Date: November 21, 2025

Your Sodium level of 173 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	138.353
5-10 years	140.747
10-15 years	143.182
15-20 years	143.139
20-25 years	143.096
25-30 years	143.054
30-35 years	143.011
35-40 years	142.968
40-45 years	142.925
45-50 years	142.883
50-55 years	142.84
55-60 years	142.797
60-70 years	142.754
70-80 years	142.712
80-90 years	142.669
90-100 years	142.626
>100 years	142.583

*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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If you want your blood test report to be interpreted by Sodium specialist, you can upload your report. Our Sodium expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

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	138.423
5-10 years	140.89
10-15 years	143.401
15-20 years	143.355
20-25 years	143.309
25-30 years	143.264
30-35 years	143.219
35-40 years	143.174
40-45 years	143.128
45-50 years	143.082
50-55 years	143.037
55-60 years	142.992
60-70 years	142.947
70-80 years	142.901
80-90 years	142.855
90-100 years	142.81
>100 years	142.765

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