Is Creatinine 5.9 high, normal or dangerous? What does Creatinine level 5.9 mean?

📅 Medical Review Date: September 14, 2025

Your Creatinine level of 5.9 is a High Creatinine level.

A creatinine level of 5.9 mg/dL usually means the kidneys are not working properly, indicating reduced kidney function. It suggests waste is not being filtered efficiently from the blood. High levels of creatinine can cause fatigue, swelling in legs and ankles, shortness of breath, confusion, nausea, and decreased urine output. This can be caused by dehydration, kidney disease, or temporary kidney stress. Further tests are often needed to identify the cause and guide appropriate treatment.

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.

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	0.953
5-10 years	1.009
10-15 years	1.069
15-20 years	1.132
20-25 years	1.199
25-30 years	1.27
30-35 years	1.266
35-40 years	1.262
40-45 years	1.257
45-50 years	1.252
50-55 years	1.248
55-60 years	1.244
60-70 years	1.239
70-80 years	1.235
80-90 years	1.231
90-100 years	1.227
>100 years	1.299

*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

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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

You can learn techniques to reduce high Creatinine levels by reading this 100 page eBook. This book is written by a patient himself and reviewed by the doctors of Medchunk. Read eBook here.

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	0.955
5-10 years	1.013
10-15 years	1.075
15-20 years	1.14
20-25 years	1.209
25-30 years	1.282
30-35 years	1.277
35-40 years	1.273
40-45 years	1.268
45-50 years	1.263
50-55 years	1.259
55-60 years	1.255
60-70 years	1.25
70-80 years	1.245
80-90 years	1.241
90-100 years	1.236
>100 years	1.231

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.

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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.

Medical References

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

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