Is Creatinine 5.66 high, normal or dangerous? What does Creatinine level 5.66 mean?

📅 Medical Review Date: November 16, 2025

Your Creatinine level of 5.66 is a High Creatinine level.

High Creatinine levels may indicate underlying health problems. The normal range is typically between 0.9 mg/dL and 1.3 mg/dL. 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.

Important - Scroll to the end of this article to see how our patients managed their high Creatinine levels

The normal Creatinine range for men is :0.9 - 1.3 mg/dL

**Ideal values of Creatinine depending on age (male) :**
Age	Ideal Creatinine value
<5 years	0.951
5-10 years	1.005
10-15 years	1.062
15-20 years	1.122
20-25 years	1.186
25-30 years	1.253
30-35 years	1.249
35-40 years	1.245
40-45 years	1.241
45-50 years	1.237
50-55 years	1.233
55-60 years	1.229
60-70 years	1.299
70-80 years	1.295
80-90 years	1.291
90-100 years	1.287
>100 years	1.283

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

Get Advice via Email : Send us your blood test report, and our Creatinine 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 Creatinine, 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

Important - Read more questions about high Creatinine levels after this video message

A video message on the treatment of your high Creatinine level

If you want your blood test report to be interpreted by Creatinine specialist, you can upload your report. Our Creatinine expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Important - At the end of this article read how our patients treated their high Creatinine levels

Some examples of conditions that increase or decrease creatinine levels include:

Damage to or swelling of blood vessels in the kidneys.
Bacterial infection of the kidneys (pyelonephritis)
Death of cells in the kidneys' small tubes (acute tubular necrosis)
Conditions that can block the flow of urine in the urinary tract, such as prostate disease or kidney stone
Reduced blood flow to the kidney due to shock, dehydration, congestive heart failure, atherosclerosis, or complications of diabetes

Normal range of Creatinine found among women :0.9-1.3 mg/dL

**Ideal values of Creatinine depending on age (female) :**
Age	Ideal Creatinine value
<5 years	0.952
5-10 years	1.007
10-15 years	1.066
15-20 years	1.128
20-25 years	1.194
25-30 years	1.264
30-35 years	1.26
35-40 years	1.255
40-45 years	1.251
45-50 years	1.247
50-55 years	1.243
55-60 years	1.238
60-70 years	1.234
70-80 years	1.23
80-90 years	1.226
90-100 years	1.297
>100 years	1.293

Upload your blood test report

If you take a Creatinine blood test and the results are not in the normal range (0.9-1.3 mg/dL), 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.

Important :How our patients treated their high creatinine?

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How the Creatinine Test Is Done :

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