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Tests
The measurement of the ratio of cytotoxic T lymphocytes, which are T lymphocytes that express CD8, to the total number of blood cells in a sample expressed as a percent value.
Tests
Dengue fever is a viral infection spread to people through bites from infected mosquitoes . A dengue fever test checks a sample of your blood to see if you have the virus.
Tests
This test measures the levels of DHEA sulfate (DHEAS) in your blood. DHEAS stands for dehydroepiandrosterone sulfate. DHEAS is mostly made in the adrenal glands, two small glands located above your kidneys. Your adrenal glands help control your heart rate, blood pressure, and other body functions. They make different types of hormones you need to stay healthy. This includes cortisol, a hormone that helps with your immune system , and DHEAS, a steroid hormone.
Tests
Diabetes , also known as diabetes mellitus, is a disease that affects how your body uses glucose ( blood sugar ). Glucose is your body's main source of energy. A hormone (a chemical messenger in your bloodstream that controls the actions of certain cells or organs) called insulin helps move glucose from your bloodstream into your cells.
Tests
A hematologic procedure for the evaluation of the qualitative and quantitative characteristics of the white cells in peripheral blood smears and bone marrow aspirates.
Tests
A blood test done near the end of the first trimester of pregnancy to screen for common chromosomal defects. This test screens for blood levels of both free beta-human chorionic gonadotrophin (beta-hCG) and pregnancy-associated plasma protein A (PAPP-A) and can detect trisomies of chromosomes 21 (Down's syndrome), chromosome 18 (Edward's syndrome), and chromosome 13 (Patau's syndrome).
Tests
Drugs are chemical substances that can change how your body and mind work. A drug test looks for signs of illegal drugs or certain prescription and/or over-the-counter (OTC) medicines that can be misused. The test is usually done with a sample of your urine (pee). Less commonly, drug testing uses a sample of your blood, saliva (spit), hair, sweat, fingernails, or breath. The purpose of a drug test is to look for drug use and misuse, which includes:
Tests
Electrolytes are minerals that have an electrical charge when they are dissolved in water or body fluids. You have electrolytes in your blood, urine, tissues, and other body fluids. They are important because they help:
Tests
The determination of the number of elliptocytes in a blood sample.
Tests
The determination of the number of eosinophilic myelocytes in a blood sample.
Tests
Epithelial cells cover the inside and outside of the surfaces of your body. They are found on your skin, blood vessels, and organs, including your urinary tract (which includes your kidneys, ureters, bladder, and urethra).
Tests
The determination of the amount of red blood cell fragments present in a sample.
