What causes high Sodium and low RDW?

High Sodium and low RDW can be caused by many reasons.

If your Sodium is in between 136 mmol/L and 145 mmol/L and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for Sodium and RDW respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of Sodium : 136 - 145 mmol/L

Ideal values of Sodium depending on age :

Age	Ideal Sodium value
<5 years	138.323
5-10 years	140.686
10-15 years	143.089
15-20 years	143.047
20-25 years	143.005
25-30 years	142.964
30-35 years	142.922
35-40 years	142.88
40-45 years	142.838
45-50 years	142.797
50-55 years	142.755
55-60 years	142.713
60-70 years	142.672
70-80 years	142.631
80-90 years	142.589
90-100 years	142.547
>100 years	144.982

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

If you want your blood test report to be interpreted by Sodium specialist, then 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

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Total number of patients treated

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

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

Normal range of RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	11.798
5-10 years	12
10-15 years	12.205
15-20 years	12.413
20-25 years	12.625
25-30 years	12.841
30-35 years	13.06
35-40 years	13.283
40-45 years	13.51
45-50 years	13.741
50-55 years	13.976
55-60 years	13.972
60-70 years	13.968
70-80 years	13.964
80-90 years	13.96
90-100 years	13.955
>100 years	13.951

High Sodium and low RDW can be caused by a lot of reasons. If you take Sodium and RDW blood tests and the results are higher than 145 mmol/L for Sodium and lower than 11.6 % for RDW, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the Sodium and RDW Tests Are Done :

If your doctor wants Sodium and RDW tests on you, you may need to go through these tests. During the Sodium and RDW blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your Sodium and RDW Test reports by your pathologist.