Type 1 Diabetes Blood Test

What is Type 1 Diabetes?

Type 1 diabetes is an autoimmune condition where the immune system destroys insulin-producing beta cells in the pancreas, resulting in little to no insulin production. It is caused by an autoimmune attack on pancreatic beta cells, leading to insufficient insulin to regulate blood glucose levels. The C-Peptide Serum test is the most important test for Type 1 diabetes because it directly measures the body's insulin production capacity.

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What causes Type 1 diabetes?

Type 1 diabetes is caused by an autoimmune response where the body's immune system mistakenly attacks and destroys insulin-producing beta cells in the pancreas. The exact trigger for this autoimmune attack is not fully understood, but it involves a combination of genetic predisposition and environmental factors. Once these beta cells are destroyed, the pancreas can no longer produce insulin, the hormone needed to move glucose from the bloodstream into cells for energy, resulting in dangerously high blood sugar levels.

What is the best test for Type 1 diabetes?

The C-Peptide Serum test is the most important test for Type 1 diabetes because it directly measures your body's ability to produce insulin. C-peptide is released alongside insulin, so low or absent C-peptide levels confirm that your pancreas has stopped making insulin due to beta cell destruction. The Hemoglobin A1c test is also essential as it measures your average blood sugar control over the past 2-3 months, helping to assess how well diabetes is being managed. Additional tests like Fasting Insulin and Proinsulin further confirm insufficient insulin production, while autoimmune antibody tests like Pancreatic Exocrine Cell Antibody can identify the autoimmune attack on your pancreas.

When should I get tested for Type 1 diabetes?

You should get tested if you experience symptoms like excessive thirst, frequent urination, unexplained weight loss despite eating normally, extreme fatigue, or blurry vision. Testing is also important if you have a family history of Type 1 diabetes or other autoimmune conditions, as genetic factors significantly increase your risk. Children and young adults showing sudden changes in behavior, bedwetting after being potty-trained, or persistent hunger should be evaluated promptly, as Type 1 diabetes often develops rapidly and requires immediate medical attention to prevent serious complications like diabetic ketoacidosis.

What are the symptoms of Type 1 diabetes?
Type 1 diabetes symptoms typically develop rapidly over weeks or months and include extreme thirst, frequent urination especially at night, unexplained weight loss, constant hunger, extreme fatigue, blurry vision, and slow-healing cuts or sores. You might also experience fruity-smelling breath, nausea, vomiting, or abdominal pain, which can signal diabetic ketoacidosis, a life-threatening emergency. In children, watch for sudden bedwetting, irritability, mood changes, and yeast infections, as these can be early warning signs that require immediate medical evaluation.
Who is at risk for Type 1 diabetes?
Anyone can develop Type 1 diabetes, but certain factors increase your risk significantly. Having a parent or sibling with Type 1 diabetes raises your risk, as does carrying specific genetic markers like HLA-DRB1 and HLA-DQB1 gene variants that predispose you to autoimmune conditions. While Type 1 diabetes most commonly appears in children, teens, and young adults, it can develop at any age. People of Northern European descent have slightly higher rates, and having other autoimmune conditions like celiac disease, Hashimoto thyroiditis, or Addison disease increases your likelihood of developing Type 1 diabetes due to shared genetic and immune system factors.
What happens if Type 1 diabetes is left untreated?
Untreated Type 1 diabetes leads to dangerously high blood sugar levels that can cause diabetic ketoacidosis, a life-threatening condition where the body breaks down fat for energy, producing toxic acids called ketones that can lead to coma or death within hours or days. Long-term complications of poorly managed Type 1 diabetes include heart disease, stroke, kidney failure requiring dialysis, nerve damage causing pain and numbness, vision loss and blindness from retinal damage, poor circulation leading to foot ulcers and amputations, and increased risk of infections. Without insulin treatment, Type 1 diabetes is fatal, making early diagnosis and consistent management absolutely essential for survival and quality of life.
Can Type 1 diabetes be diagnosed with a blood test?
Yes, Type 1 diabetes is definitively diagnosed through blood tests that measure insulin production, blood sugar control, and autoimmune markers. The C-Peptide test reveals how much insulin your pancreas is making, while the Hemoglobin A1c test shows your average blood sugar over the past few months. Fasting blood glucose tests measure current sugar levels, and autoantibody tests detect the immune attack on your pancreas. Genetic tests for HLA-DRB1 and HLA-DQB1 variants can identify those at higher risk. These blood tests not only diagnose Type 1 diabetes but also help distinguish it from Type 2 diabetes, which is crucial because the treatments are completely different.
How is Type 1 diabetes treated?
Type 1 diabetes requires lifelong insulin therapy since the pancreas can no longer produce insulin on its own. Treatment involves multiple daily insulin injections or using an insulin pump to deliver insulin continuously, combined with frequent blood sugar monitoring using finger-stick tests or continuous glucose monitors. You will need to carefully balance insulin doses with carbohydrate intake, physical activity, and stress levels to maintain blood sugar in target ranges. Many people benefit from working with an endocrinologist, diabetes educator, and dietitian to develop a personalized management plan that includes counting carbohydrates, adjusting insulin doses, recognizing and treating low blood sugar episodes, and preventing long-term complications through regular medical checkups.
How can I prevent Type 1 diabetes?
Type 1 diabetes cannot be prevented because it results from an unpredictable autoimmune response that destroys insulin-producing cells. Unlike Type 2 diabetes, which is largely preventable through lifestyle changes, Type 1 diabetes is not caused by diet, exercise habits, or weight. However, if you have a family history or genetic markers for Type 1 diabetes, participating in research studies may provide access to experimental prevention strategies being investigated, such as immune-modulating therapies. The most important step is early detection through blood tests if you have risk factors or symptoms, as prompt diagnosis and treatment prevent life-threatening complications and help preserve any remaining insulin production for as long as possible.
What can I do at home for Type 1 diabetes?
Managing Type 1 diabetes at home requires consistent blood sugar monitoring, taking insulin exactly as prescribed, and learning to count carbohydrates in your meals to match insulin doses appropriately. Regular physical activity helps your body use insulin more efficiently, but you need to monitor blood sugar before, during, and after exercise to prevent dangerous lows. Keep fast-acting glucose sources like juice, glucose tablets, or candy available to treat low blood sugar episodes quickly. Maintain a consistent meal schedule, stay hydrated, get adequate sleep, and manage stress through relaxation techniques, as stress hormones can raise blood sugar. Always wear medical identification jewelry and educate family members on recognizing and treating hypoglycemia emergencies.
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Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
  3. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
  4. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
  5. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
  6. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
How do I know which test to get?
In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option.

Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.
Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?
Absolutely! We totally understand that errors can happen. No worries, we're here to help you.

Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out.

Our lab requires an address to be listed to generate an order.
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Only HSA & FSA is accepted.

Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts.

This policy applies to all insurance companies, including federal health insurance programs like Medicare.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.
Can I cancel my order?
Yes.

We get it – sometimes your needs change.

As long as your samples haven’t been collected yet, we’re happy to help you cancel your order.

If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

You can read more about our cancellation policy here.
How can I find a lab location near me?
During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp).

Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
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C-Peptide, Serum
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No insurance needed
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No extra fees paid at the lab

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