Is Potassium 1.5 low, normal or dangerous? What does Potassium level 1.5 mean?

📅 Medical Review Date: December 10, 2025

Your Potassium level of 1.5 is a Low Potassium level.

Low Potassium levels may indicate underlying health problems. The normal range is typically between 3.5 mmol/L and 5.1 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 Potassium range for men is :3.5 - 5.1 mmol/L

Ideal values of Potassium depending on age (male) :

Age	Ideal Potassium value
<5 years	3.553
5-10 years	3.606
10-15 years	3.66
15-20 years	3.715
20-25 years	3.771
25-30 years	3.828
30-35 years	3.885
35-40 years	3.943
40-45 years	4.002
45-50 years	4.062
50-55 years	4.123
55-60 years	4.185
60-70 years	4.248
70-80 years	4.312
80-90 years	4.377
90-100 years	4.443
>100 years	4.51

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

Get Advice via Email : Send us your blood test report, and our Potassium 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 Potassium, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

Total number of patients treated

A video message on the treatment of your low Potassium level

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

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

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

Normal range of Potassium found among women :3.5-5.1 mmol/L

Ideal values of Potassium depending on age (female) :

Age	Ideal Potassium value
<5 years	3.554
5-10 years	3.609
10-15 years	3.665
15-20 years	3.722
20-25 years	3.78
25-30 years	3.838
30-35 years	3.897
35-40 years	3.957
40-45 years	4.018
45-50 years	4.08
50-55 years	4.143
55-60 years	4.207
60-70 years	4.272
70-80 years	4.338
80-90 years	4.405
90-100 years	4.473
>100 years	4.542

If you take a Potassium blood test and the results are not in the normal range (3.5-5.1 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 Potassium Test Is Done :

When your doctor orders a Potassium test, it involves a straightforward blood draw to measure your Potassium levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Potassium test results are usually available within a few hours.

Medical References

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