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Autoimmune & Inflammation

Inflammation Panel (Comprehensive)

A comprehensive panel that measures multiple inflammatory and autoimmune markers including CRP, ESR, ANA, rheumatoid factor, complement proteins C3/C4, and complete blood count to evaluate systemic inflammation and autoimmune activity.


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Medical review: pending. This content is for informational purposes only and should not replace professional medical advice. Always consult a qualified healthcare provider about your specific situation.

What this test measures

This comprehensive inflammation panel evaluates multiple biomarkers that indicate systemic inflammation and autoimmune activity in the body. C-reactive protein (CRP) is a protein produced by the liver in response to inflammation or tissue injury, serving as a reliable marker of acute inflammatory processes. The erythrocyte sedimentation rate (ESR) measures how quickly red blood cells settle in a test tube over one hour, providing information about chronic inflammatory conditions.

The antinuclear antibody (ANA) test screens for autoimmune diseases by detecting antibodies that attack the body's own tissues. Rheumatoid factor (RF) is an autoantibody found in approximately 70% of patients with rheumatoid arthritis, though it may also appear in other autoimmune conditions. Complement proteins C3 and C4 are part of the immune system's cascade that helps destroy bacteria and viruses, and low levels can indicate active lupus or other immune complex diseases. The complete blood count (CBC) measures the numbers and characteristics of red blood cells, white blood cells, and platelets, providing information about immune system function and overall health.

What's included

C-Reactive Protein (CRP)
Erythrocyte Sedimentation Rate (ESR)
Antinuclear Antibodies (ANA)
Rheumatoid Factor
Complement C3
Complement C4
Complete Blood Count (CBC)

Who should consider this test

You might consider this test if you are experiencing any of the following:

  • Individuals experiencing persistent joint pain, stiffness, or swelling lasting more than six weeks, particularly those with morning stiffness that improves throughout the day.
  • Those with unexplained fatigue, muscle weakness, or flu-like symptoms that persist despite adequate rest and may suggest systemic inflammatory conditions.
  • People with a family history of autoimmune diseases such as rheumatoid arthritis, lupus, or other connective tissue disorders who want to assess their risk.
  • Individuals with skin rashes, particularly those affecting the face or sun-exposed areas, which may indicate autoimmune conditions like lupus.
  • Those experiencing fever of unknown origin, recurrent infections, or other signs that may suggest immune system dysfunction requiring comprehensive evaluation.
  • People already diagnosed with autoimmune conditions who need monitoring of disease activity and treatment effectiveness through inflammatory marker assessment.

What to expect

Preparation

No fasting is required for this panel. Continue taking prescribed medications as usual unless specifically instructed otherwise by your healthcare provider. Avoid anti-inflammatory medications 24-48 hours before testing if possible, as they may affect CRP levels.

Sample Type

A healthcare professional will collect approximately 10-15 milliliters of blood from a vein in your arm using a standard needle. The collection process typically takes less than 5 minutes.

Collection

At the lab location, you will be asked to provide identification and complete any necessary paperwork. A trained phlebotomist will clean the puncture site, insert a small needle into your arm, and collect the blood sample into multiple tubes for the various tests included in this panel.

Turnaround

Results are typically available within 2-4 business days. You will receive your comprehensive report electronically, and no doctor visit is required to access your results.

Understanding your results

Healthcare providers rarely interpret these inflammatory markers individually, but instead evaluate patterns across multiple biomarkers to identify specific health conditions. These tests are not specific for individual diseases but help assess inflammation levels and guide further evaluation when combined with clinical assessment.

PopulationReference RangeNotes
AdultsCRP: <3.0 mg/LMild elevations 3-10 mg/L may indicate low-grade inflammation
AdultsESR: 0-20 mm/hr (men), 0-30 mm/hr (women)Normal values may vary based on age, with higher ranges for older adults
AdultsANA: Negative or <1:80Values >3 U are strongly associated with systemic rheumatic diseases
AdultsRF: <14 IU/mLRF achieves 95-96% specificity for rheumatoid arthritis diagnosis
AdultsC3: 90-180 mg/dL, C4: 10-40 mg/dLLow levels below 60 for C3 and 15 for C4 may indicate active lupus
Adult MenWBC: 4,500-11,000 cells/µL, RBC: 4.5-5.9 million/µLHemoglobin 14-17.5 g/dL, Hematocrit 41.5-50.4%
Adult WomenWBC: 4,500-11,000 cells/µL, RBC: 4.1-5.1 million/µLHemoglobin 12.3-15.3 g/dL, Hematocrit 35.9-44.6%

Reference ranges may vary by laboratory and individual factors. Results should be interpreted by a healthcare provider in the context of your overall health.

What does a “Low” result mean?

Low complement C3 and C4 levels typically occur in active lupus, especially when the kidneys are affected or there is immune breakdown of blood cells. Low white blood cell counts may indicate autoimmune disorders, bone marrow suppression, or viral infections. Lymphocytopenia may occur with autoimmune diseases like lupus, rheumatoid arthritis, or Sjögren syndrome. Low hemoglobin or red blood cell counts typically indicate anemia, which may be associated with chronic inflammatory conditions.

What does a “High” result mean?

Elevated CRP levels (10-100 mg/L) typically accompany active autoimmune conditions like rheumatoid arthritis or inflammatory bowel disease. High ESR levels often indicate chronic inflammation and may suggest rheumatoid arthritis, lupus, or other systemic inflammatory conditions. A positive ANA test may indicate autoimmune diseases, though healthy individuals can occasionally test positive at low levels. Elevated rheumatoid factor levels are associated with more aggressive arthritis and extra-articular manifestations. High white blood cell counts may suggest infection, inflammation, or autoimmune activity requiring further evaluation.

Privacy & confidentiality

Your inflammation panel results are completely confidential and protected under HIPAA regulations. Results are not shared with your personal physician unless you choose to do so, are not added to your permanent medical record, and will not appear on insurance statements or explanations of benefits.

Frequently asked questions

Related tests

Related conditions

CPT Code: 86140, 85652, 86038, 86430, 86160, 86161, 85025

This test may not be available in: NY, NJ, RI

This page is for informational purposes only and does not constitute medical advice. Always consult with a healthcare provider regarding any health concerns. LevelPanel does not diagnose, treat, or prescribe.

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