Medyra
Metabolism

Reviewed: 13. Juli 2026

C-Peptid C-Peptide

Unit: ng/ml

Quick Explanation

C-peptide is produced during the body's own insulin production and shows how much insulin the pancreas itself is still producing. Low values suggest insulin deficiency as in type 1 diabetes, elevated values can indicate insulin resistance.

📊 Reference Values

Low
below 0.9 ng/ml
Normal
0.9 – 4 ng/ml
Elevated
above 4 ng/ml

ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.

🔍 Possible Causes

Value too high — possible causes

  • ·Insulin resistance
  • ·Early type 2 diabetes
  • ·Insulinoma (rare)

Value too low — possible causes

  • ·Type 1 diabetes
  • ·Advanced insulin deficiency

This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.

🩺 Questions for Your Doctor

  • Is my pancreas still producing enough insulin?
  • Which type of diabetes could I have?

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Medical Disclaimer

The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.

C-Peptide explained | Medyra | Medyra AI