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C-peptide test depicted as a string of pearls
C-peptide test depicted as a string of pearls

C-peptide Test

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Lab locations: UK / Ireland
Results by Email
Date of Birth Requirement
£119.00 GBP

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Overview:

Our C-peptide Test is a crucial diagnostic tool designed to measure the level of C-peptide in your blood. C-peptide is a byproduct of insulin production, providing valuable insights into your body’s insulin secretion and pancreatic function. This test is essential for diagnosing and managing conditions such as diabetes, insulin resistance, and pancreatic disorders. Early detection through the C-peptide Test enables timely and effective management, enhancing your quality of life and preventing potential complications.

Who Is This Test For?

This test is ideal for individuals experiencing one or more of the following:

  • Symptoms of Diabetes:

    • Increased thirst and frequent urination
    • Unexplained weight loss or gain
    • Persistent fatigue or low energy levels
    • Blurred vision
    • Slow-healing sores or frequent infections

  • Individuals with Insulin Resistance:

    • Difficulty losing weight despite diet and exercise
    • High blood pressure or abnormal cholesterol levels
    • Family history of type 2 diabetes

  • Those Undergoing Diabetes Treatment:

    • Assessing insulin production in individuals on insulin therapy
    • Differentiating between type 1 and type 2 diabetes

  • People with Pancreatic Disorders:

    • Suspected insulinoma (insulin-producing tumor)
    • Chronic pancreatitis
    • Pancreatic cancer

  • Individuals Planning to Start a Family:

    • Genetic counselling and screening for hereditary pancreatic conditions

What the C-peptide Test Includes:

Helps to assess pancreatic function and differentiate between type 1 and type 2 diabetes mellitus.

Sample needed:

blood sample

Why choose the C-peptide Test?

  • Comprehensive Insights into Insulin Production: Provides essential information about your body’s ability to produce insulin, aiding in the diagnosis and management of diabetes and pancreatic disorders.
  • Differentiate Between Diabetes Types: Helps distinguish between type 1 diabetes (autoimmune destruction of insulin-producing cells) and type 2 diabetes (insulin resistance), guiding appropriate treatment plans.
  • Monitor Pancreatic Function: Useful for tracking the progression of pancreatic diseases and assessing the effectiveness of treatments.
  • Accurate and Reliable: Uses advanced laboratory techniques to ensure precise measurement of C-peptide levels.
  • Clear and Detailed Results: Receive an easy-to-understand report that explains your C-peptide levels and their implications for your health.

Results:

  • Availability: 2 working days
  • Presentation: Your results will be presented in a clear and concise format, highlighting any areas of concern. Reference ranges will be provided to help you interpret your C-peptide levels. 
  • Discuss with a Doctor: After receiving your results, you may choose to discuss them with a GP who can provide further insights and advise on appropriate actions (additional fee applies).

Preparation Required:

  • Fasting C-Peptide Test (Usually:

    • Fasting: Requires an overnight fast of 8-12 hours. Do not eat or drink anything except water during this period.
    • Medications: Continue taking any prescribed medications as usual unless advised otherwise by your doctor. Inform us of any supplements or over-the-counter medications you are taking, as some may affect insulin and C-peptide levels.

  • Non-Fasting C-Peptide Test:

    • Fasting: No fasting is required.
    • Medications: Continue taking any prescribed medications as usual unless advised otherwise by your doctor. Inform us of any supplements or over-the-counter medications you are taking, as some may affect insulin and C-peptide levels.
  1. Purchase your test(s) online making sure to give the name and date of birth of the person(s) taking the test. These details are required by the lab to uniquely identify your sample.
  2. You will get a confirmation email from us.
  3. We will process your order within an hour; Mon-Fri 9am-5pm.
  4. Then, look out for the booking link email from our partner laboratory, Randox Health.
  5. Click on the link to book an appointment for your test.
  6. Attend to do your test.
  7. Results are emailed to you.

All laboratories need information regarding the client to uniquely identify their test sample.

Without these details, tests cannot be processed.

The minimum requirement is the full name, biological sex and date of birth.

You should enter these details securely at the top before you click 'Add to cart'.

We ask for your Biological Sex because NORMAL RANGES for some tests are different for men and women.