Is Serum Creatinine 140 high, normal or dangerous? What does Serum Creatinine level 140 mean?

📅 Medical Review Date: April 8, 2026

Your Serum Creatinine level of 140 is a High Serum Creatinine level.

High Serum Creatinine levels may indicate underlying health problems. The normal range is typically between 44 umol/L and 97 umol/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 Serum Creatinine range for men is :44 - 97 umol/L

Ideal values of Serum Creatinine depending on age (male) :

Age	Ideal Serum Creatinine value
<5 years	44.616
5-10 years	45.241
10-15 years	45.874
15-20 years	46.516
20-25 years	47.167
25-30 years	47.827
30-35 years	48.497
35-40 years	49.176
40-45 years	49.864
45-50 years	50.562
50-55 years	51.27
55-60 years	51.988
60-70 years	52.716
70-80 years	53.454
80-90 years	54.202
90-100 years	54.961
>100 years	55.73

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

Misdiagnosis is more common than people think—and the consequences can be serious. Delayed treatment, unnecessary medication, or worse. If you want a second opinion on your blood work, one option is to upload it to a site like wholebodyprotocol.com, where world-class doctors review your results. They charge a small fee—around $90 (though you'll want to check the latest price as it fluctuates)—and email you a detailed report. With over 12 million people affected by misdiagnosis every year, that little bit of extra peace of mind can go a long way.

Normal range of Serum Creatinine found among women :44-97 umol/L

Ideal values of Serum Creatinine depending on age (female) :

Age	Ideal Serum Creatinine value
<5 years	44.634
5-10 years	45.278
10-15 years	45.931
15-20 years	46.593
20-25 years	47.265
25-30 years	47.947
30-35 years	48.638
35-40 years	49.339
40-45 years	50.05
45-50 years	50.772
50-55 years	51.504
55-60 years	52.247
60-70 years	53
70-80 years	53.764
80-90 years	54.539
90-100 years	55.325
>100 years	56.123

If you take a Serum Creatinine blood test and the results are not in the normal range (44-97 umol/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 Serum Creatinine Test Is Done :

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

Medical References

• Mayo Clinic – Creatinine test
• MedlinePlus – Creatinine Test
• Cleveland Clinic – Creatinine Clearance Test: Purpose, Levels & Results
• WebMD – Creatinine and Creatinine Clearance Blood Tests