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The Calprotectin Stool Test measures calprotectin, a protein released during intestinal inflammation, to help distinguish inflammatory bowel disease (IBD) such as Crohn’s disease and ulcerative colitis from irritable bowel syndrome (IBS). Doctors order this test for patients with chronic diarrhea, abdominal pain, or rectal bleeding. Results provide valuable insight into gut health, disease activity, and the need for further testing or treatment monitoring.
The ANCA Screen with Reflex to ANCA Titer detects antineutrophil cytoplasmic antibodies, often linked to autoimmune vasculitis such as granulomatosis with polyangiitis and microscopic polyangiitis. If the screen is positive, a titer is performed to measure antibody levels for greater diagnostic accuracy. Doctors use this test to evaluate unexplained inflammation, kidney or lung issues, and guide treatment decisions in autoimmune and systemic vasculitis care.
The ANCA Vasculitides Test measures antibodies that target neutrophils, helping identify autoimmune vasculitis. It aids in diagnosing conditions including granulomatosis with polyangiitis and microscopic polyangiitis. This test provides insight into systemic inflammation, kidney disease, and respiratory involvement, supporting evaluation of autoimmune disorders linked to vascular and organ damage.
The Lactoferrin Qualitative Stool Test measures lactoferrin in stool to assess intestinal inflammation. Positive results may signal inflammatory bowel disease, including Crohn’s disease or ulcerative colitis, while negative results often suggest non-inflammatory conditions. This test supports evaluation of gastrointestinal health, immune activity, and disorders affecting digestive function.
The Complement Component C3c and C4c Test measures levels of two key proteins in the complement system, which supports immune defense and inflammation control. Abnormal results may indicate autoimmune disease, lupus, rheumatoid arthritis, or certain infections. Doctors use this test to investigate unexplained inflammation, monitor disease activity, and guide treatment decisions in patients with suspected immune or inflammatory disorders.
The Complement Component C3c Test measures levels of C3c, a protein involved in the immune complement system. Abnormal results may indicate autoimmune disorders, recurrent infections, or kidney disease linked to immune activity. Doctors use this blood test to evaluate complement activation, diagnose immune-related conditions, and monitor disease progression or treatment effectiveness in patients with suspected lupus, glomerulonephritis, or other immune disorders.
The Complement Component C4c Test measures blood levels of C4c, a protein in the complement system that supports immune defense and inflammation control. Abnormal levels may indicate autoimmune disorders such as lupus, rheumatoid arthritis, or immune complex disease, as well as certain kidney conditions. Doctors use this test to evaluate complement activation, confirm diagnosis, and monitor treatment response in patients with suspected immune-related diseases.
The Intrinsic Factor Blocking Antibody Test detects antibodies that interfere with intrinsic factor, a protein essential for vitamin B12 absorption. The presence of these antibodies is strongly associated with pernicious anemia, an autoimmune cause of B12 deficiency. Doctors use this blood test to help confirm diagnosis, distinguish the cause of anemia, and guide treatment for patients experiencing fatigue, weakness, or neurological symptoms related to low B12.
The Myeloperoxidase (MPO) Antibody Test detects autoantibodies against MPO, often associated with ANCA-associated vasculitis, including microscopic polyangiitis and granulomatosis with polyangiitis. Elevated MPO antibodies may indicate inflammation of blood vessels, kidneys, or lungs. Physicians order this blood test to support diagnosis, monitor disease activity, and guide treatment decisions for autoimmune and systemic vasculitis disorders.
The Parietal Cell Antibody Test detects autoantibodies against stomach parietal cells, which produce intrinsic factor and stomach acid. Their presence is strongly associated with pernicious anemia, vitamin B12 deficiency, and autoimmune gastritis. Doctors use this blood test to help diagnose the cause of anemia, investigate digestive issues, and evaluate patients with suspected autoimmune disorders affecting stomach function and nutrient absorption.
The Complete Blood Count with Differential and Platelets Test is a comprehensive blood test that checks red blood cells, white blood cells, hemoglobin, hematocrit, and platelets. The differential analyzes types of white blood cells to detect infections, anemia, clotting abnormalities, immune conditions, and certain cancers. This essential test is often ordered for routine health exams, diagnosis, and monitoring treatment progress.
The White Blood Cell Count with Differential Test measures total white blood cells and breaks them into types, including neutrophils, lymphocytes, monocytes, eosinophils, and basophils. Doctors order this test to evaluate infections, inflammation, immune disorders, and blood cancers. Abnormal results may suggest bacterial or viral infections, allergies, or leukemia. Results provide key insight into immune system health, disease detection, and treatment monitoring.
