Is Serum Creatinine 191 high, normal or dangerous? What does Serum Creatinine level 191 mean?

📅 Medical Review Date: March 31, 2026

Your Serum Creatinine level of 191 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	44.84
5-10 years	45.696
10-15 years	46.569
15-20 years	47.458
20-25 years	48.364
25-30 years	49.288
30-35 years	50.229
35-40 years	51.188
40-45 years	52.166
45-50 years	53.162
50-55 years	54.177
55-60 years	55.212
60-70 years	56.267
70-80 years	57.342
80-90 years	58.437
90-100 years	59.553
>100 years	60.69

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

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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	44.866
5-10 years	45.749
10-15 years	46.649
15-20 years	47.567
20-25 years	48.503
25-30 years	49.457
30-35 years	50.43
35-40 years	51.422
40-45 years	52.434
45-50 years	53.466
50-55 years	54.518
55-60 years	55.591
60-70 years	56.685
70-80 years	57.8
80-90 years	58.937
90-100 years	60.096
>100 years	61.278

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