Is Serum Creatinine 55 normal, high or low? What does Serum Creatinine level 55 mean?

📅 Medical Review Date: May 22, 2026

Your Serum Creatinine level of 55 is a Normal Serum Creatinine level.

Normal 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	46.42
5-10 years	48.973
10-15 years	51.667
15-20 years	54.509
20-25 years	57.507
25-30 years	60.67
30-35 years	64.007
35-40 years	67.527
40-45 years	71.241
45-50 years	75.159
50-55 years	79.293
55-60 years	83.654
60-70 years	88.255
70-80 years	93.109
80-90 years	92.827
90-100 years	92.546
>100 years	92.266

*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	46.493
5-10 years	49.127
10-15 years	51.91
15-20 years	54.851
20-25 years	57.958
25-30 years	61.241
30-35 years	64.71
35-40 years	68.376
40-45 years	72.25
45-50 years	76.343
50-55 years	80.668
55-60 years	85.238
60-70 years	90.067
70-80 years	95.169
80-90 years	94.863
90-100 years	94.559
>100 years	94.256

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