Is C Peptide 1.52 normal, high or low? What does C Peptide level 1.52 mean?

📅 Medical Review Date: March 3, 2026

Your C Peptide level of 1.52 is a Normal C Peptide level.

Normal C Peptide levels may indicate underlying health problems. The normal range is typically between 1.1 ng/mL and 4.4 ng/mL. 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 C Peptide range for men is :1.1 - 4.4 ng/mL

Ideal values of C Peptide depending on age (male) :

Age	Ideal C Peptide value
<5 years	1.117
5-10 years	1.134
10-15 years	1.151
15-20 years	1.168
20-25 years	1.186
25-30 years	1.204
30-35 years	1.222
35-40 years	1.241
40-45 years	1.26
45-50 years	1.279
50-55 years	1.298
55-60 years	1.318
60-70 years	1.338
70-80 years	1.358
80-90 years	1.379
90-100 years	1.4
>100 years	1.421

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

Get Advice via Email : Send us your blood test report, and our C Peptide 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 C Peptide, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

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Normal range of C Peptide found among women :1.1-4.4 ng/mL

Ideal values of C Peptide depending on age (female) :

Age	Ideal C Peptide value
<5 years	1.117
5-10 years	1.134
10-15 years	1.152
15-20 years	1.17
20-25 years	1.188
25-30 years	1.207
30-35 years	1.226
35-40 years	1.245
40-45 years	1.264
45-50 years	1.284
50-55 years	1.304
55-60 years	1.324
60-70 years	1.345
70-80 years	1.366
80-90 years	1.387
90-100 years	1.409
>100 years	1.431

If you take a C Peptide blood test and the results are not in the normal range (1.1-4.4 ng/mL), 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 C Peptide Test Is Done :

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

Medical References

• MedlinePlus – C-Peptide Test
• Cleveland Clinic – C-Peptide Test: What It Is, Purpose, Procedure & Results
• WebMD – What Is a C-Peptide Test?
• NIH – C-peptide in diabetes diagnosis and management