blood test

American  

noun

1. a test of a sample of blood to determine blood group, presence of infection or other pathological condition, parentage, etc.

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blood test British  

noun

1. analysis of a blood sample to determine blood group, alcohol concentration, etc

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Etymology

Origin of blood test

First recorded in 1910–15

Example Sentences

The screening committee said these men, a few thousand each year, should be invited for a PSA blood test every two years between the ages of 45 and 61.

From BBC • May 28, 2026

This can push blood test readings higher without necessarily meaning the body’s cells are receiving or using more B12.

From Science Daily • May 27, 2026

Then, when I was 24, a blood test came back irregular.

From Slate • May 23, 2026

It then builds a personalized blood test to hunt for those mutations in the patient’s future blood draws.

From The Wall Street Journal • May 14, 2026

If there are large numbers of people having the blood test, the medical director would be wise to take part of each sample, pool it, and test this pooled sample first.

From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos