Gastrointestinal Disorders Blood Test

What is Gastrointestinal Disorders?

Gastrointestinal disorders are conditions affecting the digestive system that interfere with nutrient absorption and digestive function. These disorders are caused by inflammatory conditions like Crohn's disease, autoimmune reactions like celiac disease, or infections that damage the intestinal lining. The Albumin blood test is the most important test for assessing nutritional complications from gastrointestinal disorders because it directly measures protein malnutrition.

RECOMMENDED TEST Albumin
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What causes gastrointestinal disorders?

Gastrointestinal disorders are caused by a variety of factors including inflammatory conditions, autoimmune reactions, infections, and structural abnormalities in the digestive tract. Crohn's disease and ulcerative colitis result from chronic inflammation that damages the intestinal lining, while celiac disease is triggered by an autoimmune response to gluten that attacks the small intestine. Infections from bacteria like Helicobacter pylori, parasites, or viruses can also cause GI disorders, as can conditions that affect gut motility like irritable bowel syndrome.

What is the best test for gastrointestinal disorders?

The Albumin blood test is the most important test for gastrointestinal disorders because it directly measures protein levels that drop when your digestive system cannot properly absorb nutrients. Low albumin levels indicate malnutrition from conditions like Crohn's disease or celiac disease and help doctors determine if your treatment needs adjustment. The Methylmalonic Acid test is also essential for detecting vitamin B12 deficiency, which commonly occurs when GI disorders damage the part of your intestine responsible for B12 absorption. Together, these tests provide a comprehensive picture of how your digestive condition is affecting your nutritional status and overall health.

When should I get tested for gastrointestinal disorders?

You should get tested if you experience persistent digestive symptoms like chronic diarrhea, unexplained weight loss, abdominal pain, or bloody stools. Testing is especially important if you notice signs of malnutrition such as fatigue, weakness, brittle nails, or hair loss that could indicate your body is not absorbing nutrients properly. If you have a family history of inflammatory bowel disease or celiac disease, or if you have been diagnosed with a GI disorder and need to monitor treatment effectiveness, regular blood testing helps track your nutritional status and prevent complications.

What are the symptoms of gastrointestinal disorders?
Gastrointestinal disorders cause a wide range of digestive symptoms including persistent diarrhea or constipation, abdominal cramping and pain, bloating and gas, nausea, and vomiting. You might notice blood in your stool, unexplained weight loss despite eating normally, or a decreased appetite. Many people also experience symptoms outside the digestive system like fatigue, joint pain, skin rashes, mouth sores, and nutritional deficiencies that cause brittle nails, hair loss, or anemia.
Who is at risk for gastrointestinal disorders?
People with a family history of inflammatory bowel disease, celiac disease, or colon cancer have an increased risk of developing GI disorders. Your risk is higher if you have autoimmune conditions like rheumatoid arthritis or type 1 diabetes, as these often occur together with digestive issues. Smoking significantly increases the risk of Crohn's disease, while frequent use of NSAIDs like ibuprofen can damage the stomach lining and cause ulcers. Age also plays a role, with conditions like diverticulitis and colon cancer becoming more common after age 50.
What happens if gastrointestinal disorders are left untreated?
Untreated gastrointestinal disorders can lead to severe malnutrition as your body becomes unable to absorb essential vitamins, minerals, and nutrients from food. This malabsorption causes dangerous deficiencies in iron, vitamin B12, vitamin D, and calcium that result in anemia, osteoporosis, and neurological problems. Chronic inflammation from conditions like Crohn's disease or ulcerative colitis increases your risk of colon cancer and can cause intestinal scarring that leads to bowel obstructions requiring emergency surgery. You may also develop complications like intestinal bleeding, perforations, fistulas, and severe dehydration that can be life-threatening.
Can gastrointestinal disorders be diagnosed with a blood test?
Blood tests cannot directly diagnose most gastrointestinal disorders, but they play a crucial role in detecting complications and guiding treatment. Albumin and vitamin tests reveal malabsorption problems and nutritional deficiencies caused by GI conditions, while inflammatory markers like C-reactive protein indicate active disease. Definitive diagnosis typically requires endoscopy with tissue biopsy, stool tests, or imaging studies like CT scans that visualize the digestive tract. However, blood work is essential for monitoring disease activity, assessing treatment effectiveness, and detecting secondary problems before they become serious.
How is gastrointestinal disorders treated?
Treatment for gastrointestinal disorders depends on the specific condition but often includes anti-inflammatory medications like corticosteroids or immunosuppressants to reduce intestinal inflammation. Biologic therapies target specific immune system pathways to control chronic conditions like Crohn's disease and ulcerative colitis. Dietary modifications are essential, with many people requiring gluten-free diets for celiac disease or low-FODMAP diets for irritable bowel syndrome. Nutritional supplementation addresses deficiencies in vitamins and minerals, while some cases require surgery to remove damaged sections of intestine or repair complications like strictures and fistulas.
How can I prevent gastrointestinal disorders?
While you cannot prevent genetic or autoimmune GI disorders, you can reduce your risk by maintaining a healthy diet rich in fiber, fruits, vegetables, and whole grains while limiting processed foods and red meat. Avoiding smoking is crucial as it significantly increases the risk of Crohn's disease and other digestive problems. Stay hydrated, exercise regularly to promote healthy digestion, and manage stress through relaxation techniques since stress can trigger or worsen many GI conditions. Limit alcohol consumption and use NSAIDs like ibuprofen sparingly to protect your stomach lining.
What can I do at home for gastrointestinal disorders?
You can manage GI disorder symptoms at home by keeping a food diary to identify triggers and eliminate foods that worsen your symptoms. Eating smaller, more frequent meals rather than large portions helps reduce digestive stress, and staying well-hydrated supports proper bowel function. Probiotic supplements or fermented foods like yogurt and kefir may help restore healthy gut bacteria, while gentle exercise like walking aids digestion and reduces constipation. Stress management through meditation, yoga, or deep breathing exercises can significantly improve symptoms since the gut and brain are closely connected.
How’s this work?
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.
Do you accept health insurance?
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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