The Immunology & Antibodies category explains tests that measure immune responses — including antibody detection, autoimmune markers, allergy testing, and immunodeficiency panels.
HDV Antibody Test detects Hepatitis D infection in HBV patients. Learn symptoms, causes, reference ranges, complications, and diagnosis in simple language.
HDV Antibody Test: Causes, Symptoms, Levels & Diagnosis Read More »
Echinococcus Antibody Test explained: purpose, high/low levels, symptoms, hydatid cyst diagnosis, reference ranges, imaging correlation, and complete test guide.
Echinococcus Antibody Test: Purpose, Symptoms & Hydatid Disease Guide Read More »
Anti-dsDNA Test explained: purpose, lupus diagnosis, high vs low levels, kidney involvement, symptoms, interpretation, and complete autoimmune overview.
Anti-dsDNA Test: Purpose, Levels, Symptoms & Complete Lupus Guide Read More »
Learn about the Desmoglein Antibody Test, its purpose, normal ranges, symptoms, preparation, and its role in diagnosing pemphigus vulgaris and foliaceus.
Desmoglein Antibody Test: Meaning, Levels, Symptoms & Complete Guide Read More »
Learn about the Cryoglobulins Test, what it detects, why it’s done, causes of positive results, and how cryoglobulinemia affects health.
The Centromere IgG Antibody Test detects antibodies against centromere proteins, helping diagnose autoimmune diseases like CREST syndrome. Learn about its purpose, results, symptoms, and interpretation in simple terms.
Centromere IgG Antibody Test – Purpose, Procedure, and Results Explained Read More »
The CD8 (Cytotoxic T-Cells) Test measures the number of killer T-cells in the blood. It helps assess immune strength, detect viral infections, monitor HIV, and evaluate immune disorders. Normal CD8 counts range from 150–1,000 cells/µL with a CD4:CD8 ratio between 1.0 and 3.0.
CD8 (Cytotoxic T-Cells) Test – Purpose, Normal Range, and Results Read More »
The CD4 (Helper T-Cells) Test measures the number of CD4 immune cells in the blood. It helps assess immune strength and is vital in monitoring HIV infection and treatment response. Normal CD4 count is 500–1,500 cells/µL, while levels below 200 indicate severe immune suppression.
CD4 (Helper T-Cells) Test – Purpose, Normal Range, and Results Read More »
The C1 Esterase Inhibitor (C1-INH) Test checks the blood level and activity of a key protein that regulates swelling and inflammation. It helps diagnose hereditary angioedema (HAE), a condition causing severe swelling in the skin, gut, or airways due to low or non-functional C1-INH.
C1 Esterase Inhibitor Test – Purpose, Normal Range, and Results Read More »
Brucella IgG and IgM Antibody Test detects recent or past brucellosis infection. Learn test meaning, procedure, normal range, and result interpretation.
Brucella IgG and IgM Antibody Test – Purpose, Procedure, and Results Read More »
