What causes high Potassium and low RDW SD?

High Potassium and low RDW SD can be caused by many reasons.

If your Potassium is in between 3.5 mmol/L and 5.1 mmol/L and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for Potassium and RDW SD 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 Potassium : 3.5 - 5.1 mmol/L

Ideal values of Potassium depending on age :

Age	Ideal Potassium value
<5 years	3.56
5-10 years	3.621
10-15 years	3.683
15-20 years	3.746
20-25 years	3.81
25-30 years	3.875
30-35 years	3.941
35-40 years	4.008
40-45 years	4.076
45-50 years	4.145
50-55 years	4.215
55-60 years	4.287
60-70 years	4.36
70-80 years	4.434
80-90 years	4.509
90-100 years	4.586
>100 years	4.664

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

If you want your blood test report to be interpreted by Potassium specialist, then you can upload your report. Our Potassium 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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Some examples of conditions that increase or decrease Potassium levels include:

• Kidney disease
• Addison disease
• Using certain drugs that cause high potassium
• Diabetes
• Conn syndrome

If you want your blood test report to be interpreted by Potassium specialist, you can upload your report. Our Potassium 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 SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.663
5-10 years	40.337
10-15 years	41.023
15-20 years	41.72
20-25 years	42.429
25-30 years	43.15
30-35 years	43.884
35-40 years	44.63
40-45 years	45.389
45-50 years	45.376
50-55 years	45.363
55-60 years	45.35
60-70 years	45.337
70-80 years	45.324
80-90 years	45.311
90-100 years	45.298
>100 years	45.285

High Potassium and low RDW SD can be caused by a lot of reasons. If you take Potassium and RDW SD blood tests and the results are higher than 5.1 mmol/L for Potassium and lower than 39 fL for RDW SD, 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 Potassium and RDW SD Tests Are Done :

If your doctor wants Potassium and RDW SD tests on you, you may need to go through these tests. During the Potassium and RDW SD 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 Potassium and RDW SD Test reports by your pathologist.