blood test

noun

Definition of blood test

: a test of the blood specifically : a laboratory test in which a sample of blood is withdrawn from the body to analyze the level of substances or cells (such as glucose, hemoglobin, or white blood cells) that indicate the presence or probable development of a particular disease or medical condition (such as diabetes, cardiovascular disease, or cancer) or serve to indicate the degree of function of a specific organ (such as the liver or kidney)

Examples of blood test in a Sentence

He had a blood test, and the doctor who did it said his cholesterol was too high.
Recent Examples on the Web In June 2009, after a routine blood test at the hospital, Ms. Stoeffler felt too exhausted to return home. BostonGlobe.com, "Liesbeth Stoeffler, a runner kept going by rare lung treatment, dies at 61," 27 Mar. 2021 In June 2009, after a routine blood test at the hospital, Ms. Stoeffler felt too exhausted to return home. New York Times, "Liesbeth Stoeffler, 61, Runner Kept Going by Rare Lung Treatment, Dies," 26 Mar. 2021 However, not all cancer experts agree that the NHS should be piloting the Galleri blood test. Laura Smith-spark, CNN, "UK to pilot blood test that may detect 50 types of cancer," 27 Nov. 2020 The update, prompted by the rising number of Americans who are overweight or obese, could result in millions more being eligible for the blood test as part of regular medical exams. NBC News, "New diabetes guidelines lower screening age to 35 for some adults," 16 Mar. 2021 But a blood test detected an abnormality, leading doctors to diagnose the baby with a rare but serious congenital heart defect called transposition of the great arteries, or TGA. Mark Joyella, Forbes, "NBC News Correspondent Carol Lee Reveals Her Unborn Son Will Need Open Heart Surgery At Just 3 Days Old," 11 Mar. 2021 Neither was administered a blood test for COVID-19, and officially, there was no chance their deaths were related to the virus. USA Today, "How the South and Southwest became the global epicenter of the COVID-19 pandemic," 10 Dec. 2020 The blood test revealed an unusual chemical – tetrahydrozoline – in Steve Clayton's blood that would shift the investigation into a whole new direction. Peter Van Sant, CBS News, "S.C. nurse who fatally poisoned husband with eye drops: "I just wanted him to suffer"," 13 Mar. 2021 The crucial blood test doctors use, however, to monitor diabetes for people with Type 2 disease is called hemoglobin A1c, which measures average blood glucose levels over long periods of time. NBC News, "'Painless' glucose monitors are popular but little evidence they help most diabetes patients," 13 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blood test.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blood test

1851, in the meaning defined above

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Time Traveler for blood test

Time Traveler

The first known use of blood test was in 1851

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Last Updated

28 Apr 2021

Cite this Entry

“Blood test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20test. Accessed 9 May. 2021.

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More Definitions for blood test

blood test

noun

English Language Learners Definition of blood test

: a test of the blood especially to learn if a person has any diseases or conditions (such as AIDS or high cholesterol)

blood test

noun

Medical Definition of blood test

: a laboratory test in which a sample of blood is withdrawn from the body to analyze the level of substances or cells (as glucose, hemoglobin, or white blood cells) that indicate the presence or probable development of a particular disease or medical condition (as diabetes, cardiovascular disease, or cancer) or serve to indicate the degree of function of a specific organ (as the liver or kidney)

More from Merriam-Webster on blood test

Britannica English: Translation of blood test for Arabic Speakers

Britannica.com: Encyclopedia article about blood test

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