Inflammatory Markers Explained: Understanding Blood Tests and Results

Published Aug 19, 2024

|

Updated Dec 17, 2024

|

Est. reading time: 7 minutes

Key points

  • Inflammatory markers, detected through blood tests, help assess the presence and severity of inflammation in the body.
  • Markers like C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), and cytokines are crucial in diagnosing and monitoring various health conditions.
  • Regular monitoring of these markers can aid in managing chronic diseases like cardiovascular disease, diabetes, and autoimmune disorders.
  • Treatment for elevated inflammatory markers often involves medical interventions and lifestyle changes, including diet, exercise, and stress management.
  • Addressing high levels of inflammatory markers often involves a mix of medical interventions and lifestyle changes, such as regular exercise, a balanced diet, stress management, and natural supplements of omega-3.

Ensure your health. Get tested today.

Inflammatory Markers Explained: Understanding Blood Tests and Results

What Are Inflammatory Markers?

Inflammatory markers are substances in the blood that can be measured to assess the presence and intensity of inflammation within the body, according to the NLM. They note that these markers are often used by healthcare professionals to diagnose and monitor various medical conditions, ranging from infections and autoimmune diseases to chronic illnesses like heart disease and diabetes.

According to the NLM, Inflammatory markers are typically proteins or other molecules that increase in concentration in response to inflammation. One of the most common markers is C-reactive protein (CRP), which is produced by the liver and released into the bloodstream during episodes of acute inflammation. They also note that elevated levels of CRP can indicate a wide array of inflammatory conditions, including infections and chronic diseases. Another frequently measured marker is the erythrocyte sedimentation rate (ESR), which gauges how quickly red blood cells settle at the bottom of a test tube. A faster-than-normal rate can signify inflammation, although it is less specific than CRP and can be influenced by other factors such as age and anemia.

Cytokines, small proteins released by cells, also play a pivotal role in the inflammatory response, according to the NLM. They explain that these include interleukins and tumor necrosis factor-alpha (TNF-α), which help regulate immune responses and can be indicative of both acute and chronic inflammation. Elevated cytokine levels can be associated with conditions like rheumatoid arthritis, inflammatory bowel disease, and even certain cancers.

Healthcare providers can obtain a clearer picture of a patient's inflammatory status by measuring these and other inflammatory markers, aiding in diagnosis, treatment planning, and monitoring the effectiveness of therapeutic interventions, according to the NLM.

When Should You Get a Blood Test for Inflammation?

Knowing when to get a blood test for inflammation can be crucial for early diagnosis and effective management of various health conditions, according to the NLM. They note that inflammatory markers are valuable tools that help healthcare professionals identify and monitor inflammation within the body, providing critical insights into a patient's health status.

The following explores the scenarios in which it is advisable to undergo blood tests for inflammation and how these tests can aid in managing specific health conditions:

Inflammatory markers are particularly useful for monitoring chronic and acute health conditions, according to the NLM. For instance, in autoimmune diseases such as rheumatoid arthritis and lupus, elevated levels of markers like CRP and ESR can indicate disease activity, helping healthcare providers tailor treatment plans accordingly.

Similarly, in chronic conditions like diabetes and hypertension, inflammation can exacerbate complications, making regular monitoring essential for effective management, according to the NLM. They note that by tracking these markers, doctors can gauge the effectiveness of treatments, adjust medications, and recommend lifestyle changes to mitigate inflammation.

Health Conditions for Inflammatory Marker Blood Tests:

  • Autoimmune conditions (e.g., rheumatoid arthritis, lupus)

  • Diabetes

  • Hypertension

  • Obesity

  • Arthritis (e.g., osteoarthritis, rheumatoid arthritis)

  • Cancer (e.g., monitoring inflammation related to tumors)

  • Inflammatory bowel disease (e.g., Crohn's disease, ulcerative colitis)

  • Suspected infections (e.g., bacterial or viral infections)

  • Cardiovascular diseases (e.g., atherosclerosis)

  • Chronic kidney disease

Which Tests Detect Inflammation Markers in Blood?

Detecting inflammation in the body often requires specific blood tests that measure various markers indicative of an inflammatory response, according to the NLM. They note that these tests are essential tools in diagnosing, monitoring, and managing a wide range of health conditions. This section will outline several key blood tests used to detect inflammation markers, providing details on what each test measures, normal values, and the implications of elevated levels.

ESR Blood Test (Erythrocyte Sedimentation Rate)

The ESR test measures the rate at which red blood cells settle at the bottom of a test tube over a specified period, according to the NLM. This rate increases with inflammation. They note that normal ESR values typically range from 0-22 mm/hr for men and 0-29 mm/hr for women. Elevated ESR levels can indicate the presence of inflammation due to conditions such as infections, autoimmune diseases, and chronic inflammatory diseases. However, it is a nonspecific test and must be interpreted alongside other clinical findings.

CRP Blood Test (C-Reactive Protein)

The CRP test measures the level of C-reactive protein in the blood, which is produced by the liver in response to inflammation, according to the NLM. They explain that normal CRP levels are generally less than 10 mg/L. High CRP levels are indicative of acute inflammation and can be associated with infections, chronic inflammatory diseases, and other conditions like cardiovascular disease. Elevated CRP levels require further investigation to determine the underlying cause.

PV Blood Test (Plasma Viscosity)

The PV test measures the thickness and stickiness of the blood, which can increase with inflammation, according to the NLM. They note that normal plasma viscosity values range from 1.3-1.7 mPa·s (millipascal seconds). Elevated plasma viscosity can indicate the presence of systemic inflammation, often seen in conditions like rheumatoid arthritis, multiple myeloma, and other inflammatory diseases. High PV levels suggest increased protein content in the blood, typically due to an inflammatory response.

PCT Blood Test (Procalcitonin)

The PCT test measures the level of procalcitonin, a precursor of the hormone calcitonin, which increases significantly during bacterial infections and inflammation, according to the NLM. They explain that normal procalcitonin levels are generally less than 0.1 ng/mL. Elevated procalcitonin levels are often indicative of severe bacterial infections and sepsis, according to the NLM. High levels can help differentiate between bacterial and viral infections, guiding appropriate antibiotic treatment. Elevated PCT levels necessitate prompt medical attention to address the underlying infection and prevent complications.

IL-6 Blood Test (Interleukin-6)

The IL-6 test measures the level of interleukin-6, a cytokine involved in the inflammatory response, according to the NLM. They note that normal IL-6 levels are typically less than 7 pg/mL (picograms per milliliter). Elevated IL-6 levels are associated with acute and chronic inflammation, including conditions such as rheumatoid arthritis, inflammatory bowel disease, and certain cancers. High IL-6 levels indicate an active inflammatory process and can be used to monitor the effectiveness of anti-inflammatory treatments.

Understanding these blood tests and their implications can provide valuable insights into your health and help guide appropriate medical interventions, according to the NLM. Regular monitoring of inflammatory markers can be crucial for managing chronic conditions and preventing complications.

Treatment for Elevated Inflammatory Markers

Addressing elevated inflammatory markers often involves a combination of medical interventions and lifestyle changes, according to the NLM. They explain that while medications may be necessary to manage underlying conditions, incorporating natural strategies can also play a significant role in reducing inflammation.

According to the NLM, simple lifestyle modifications, such as regular exercise, a balanced diet, and stress management techniques, can help navigate inflammation naturally and improve overall health.

Here are several natural treatment options that can be easily integrated into daily routines to help manage inflammation, as explained by the NLM:

  • Exercise regularly, even if it is for a few minutes every day: Engaging in physical activity can help reduce inflammation by improving circulation, boosting the immune system, and promoting overall well-being. Aim for at least 30 minutes of moderate exercise most days of the week.

  • Consider doing yoga and meditating: Yoga and meditation are excellent for reducing stress, which can contribute to lower levels of inflammation. These practices promote relaxation, improve mental health, and enhance the body's ability to manage stress.

  • Make sure to have a balanced diet and reduce processed foods: A diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats can help combat inflammation. Reducing the intake of processed foods, sugars, and unhealthy fats is also crucial for maintaining optimal health.

  • Try natural supplements of omega-3: Omega-3 fatty acids, found in fish oil and flaxseed, have anti-inflammatory properties. Incorporating these supplements into your diet can help reduce inflammation and support heart health.

By adopting these natural strategies, individuals can effectively manage inflammation and improve their overall quality of life.

FAQs

What are inflammatory markers?

Inflammatory markers are substances in the blood that indicate the presence and intensity of inflammation in the body. They are often used to diagnose and monitor various health conditions.

What are some common inflammatory markers?

Common inflammatory markers include C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), and cytokines such as interleukins and tumor necrosis factor-alpha (TNF-α).

Why is it important to monitor inflammatory markers?

Monitoring inflammatory markers is important as it can help assess the risk and severity of chronic diseases like cardiovascular disease, diabetes, and autoimmune disorders. It also aids in diagnosing and managing these conditions.

When should I get a blood test for inflammation?

Blood tests for inflammation are advisable if you have chronic or acute health conditions, such as autoimmune diseases, diabetes, hypertension, or if you have symptoms suggestive of inflammation.

How can elevated inflammatory markers be addressed?

Elevated inflammatory markers can be managed through a combination of medical treatments and lifestyle changes, such as regular exercise, a balanced diet, stress management techniques, and potentially natural supplements like omega-3 fatty acids.

Can lifestyle changes help in managing elevated inflammatory markers?

Yes, lifestyle changes such as regular exercise, a balanced diet, stress management, and natural supplements of omega-3 can help in managing elevated inflammatory markers.

On-demand lab testing

Ensure your health. Get tested today.

Convenient lab testing at your fingertips at more than 5,000 locations nationally. Consult with a doctor, or get tested on your own.

Book a lab visit

Dr. Rob Rohatsch, MD, is a Board-Certified Emergency Medicine physician and urgent care executive. He earned his MD from Jefferson Medical College, currently serves on multiple boards and is Solv’s Chief Medical Officer.

How we reviewed this article

Medically reviewed

View this article’s sources and history, and read more about Solv’s Content Mission Statement, editorial process, and editorial team.

Sources

1 source

Solv has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We avoid using tertiary references.

History

Solv’s team of medical writers and experts review and update our articles when new information becomes available.

  • August 19 2024

    Written by Solv Editorial Team

    Medically reviewed by: Dr. Rob Rohatsch, MD

1 source

Solv has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We avoid using tertiary references.

Solv’s team of medical writers and experts review and update our articles when new information becomes available.

  • August 19 2024

    Written by Solv Editorial Team

    Medically reviewed by: Dr. Rob Rohatsch, MD

Topics in this article

Lab TestingStressHeart HealthNutritionWellnessDiabetesPrimary CareInjuriesExerciseHealthcare CostsPrevention
On-demand lab testing

Ensure your health. Get tested today.

Convenient lab testing at your fingertips at more than 5,000 locations nationally. Consult with a doctor, or get tested on your own.

Book a lab visit

This site uses cookies to provide you with a great user experience. By using Solv, you accept our use of cookies.