What causes high Potassium and low APTT?

High Potassium and low APTT can be caused by many reasons.

If your Potassium is in between 3.5 mmol/L and 5.1 mmol/L and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for Potassium and APTT 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	3.556
5-10 years	3.613
10-15 years	3.671
15-20 years	3.73
20-25 years	3.79
25-30 years	3.851
30-35 years	3.913
35-40 years	3.976
40-45 years	4.04
45-50 years	4.105
50-55 years	4.171
55-60 years	4.238
60-70 years	4.306
70-80 years	4.375
80-90 years	4.445
90-100 years	4.516
>100 years	4.588

*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

1,37,160

Total number of patients treated

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 APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.352
5-10 years	22.71
10-15 years	23.073
15-20 years	23.442
20-25 years	23.817
25-30 years	24.198
30-35 years	24.585
35-40 years	24.978
40-45 years	25.378
45-50 years	25.784
50-55 years	26.197
55-60 years	26.616
60-70 years	27.042
70-80 years	27.475
80-90 years	27.915
90-100 years	28.362
>100 years	28.816

High Potassium and low APTT can be caused by a lot of reasons. If you take Potassium and APTT blood tests and the results are higher than 5.1 mmol/L for Potassium and lower than 22 seconds for APTT, 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 APTT Tests Are Done :

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

Medical References

• MedlinePlus – Potassium Blood Test
• WebMD – Potassium Levels Blood Test: High vs. Low, Normal K Level
• MedlinePlus – Potassium test