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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:
Article
Research record from BMC Infect Dis, 2026-05-09. PMID 42106697.
Article
Research record from J Anal Toxicol, 2026-04-01. PMID 41212523.
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.
Article
Research record from Asian Pac J Allergy Immunol, 2026-09-01. PMID 40544374.
Indicators
Granular leukocytes with a nucleus that usually has two lobes connected by a slender thread of chromatin, and cytoplasm containing coarse, round granules that are uniform in size and stainable by eosin.
Tests
The determination of the number of eosinophilic metamyelocytes 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.
