Explore All Tests contains an organized collection of laboratory test articles — blood, urine, stool, disease-specific and uncategorized tests — explained clearly for patients and students.
The Ceruloplasmin Test measures the copper-carrying protein in blood. It helps diagnose Wilson’s disease, liver disorders, and copper metabolism problems. Learn about its function, causes of abnormal levels, and interpretation.
Ceruloplasmin Test – Purpose, Normal Range, and Wilson’s Disease Connection Read More »
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 CD3 (Total T-Lymphocytes) Test measures the total number of T-cells in the blood. It helps assess immune strength and diagnose immunodeficiency or autoimmune diseases. CD3 is a marker found on all T-cells and plays a key role in immune defense against infections and cancers.
CD3 (Total T-Lymphocytes) Test – Purpose, Range, and Results Read More »
The Carbamazepine (Tegretol Level) Test measures the amount of carbamazepine in the blood to ensure the drug dose is safe and effective. It helps detect toxicity, monitor therapy, and guide treatment for epilepsy, nerve pain, or bipolar disorder.
Carbamazepine (Tegretol) Level Test – Purpose, Range & Results Read More »
The Calcitonin Test checks blood levels of the hormone calcitonin, made by the thyroid gland. It helps diagnose medullary thyroid carcinoma (MTC) and detect calcium regulation disorders. Normal values are below 8.4 pg/mL in men and 5.0 pg/mL in women.
Calcitonin Test – Purpose, Normal Range, and High Level Causes Read More »
The Cadmium Blood Test detects exposure to cadmium, a toxic heavy metal found in cigarettes, food, and industrial environments. It helps diagnose recent exposure, evaluate toxicity risk, and monitor workers in high-risk industries. Normal blood cadmium levels are below 5 µg/L.
Cadmium Blood 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 »
