blood test

American  

noun

• blood tests
  plural

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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Other Word Forms

Noun Inflected Forms

• blood tests
  plural

Etymology

Origin of blood test

First recorded in 1910–15

Example Sentences

See Examples For:

blood test

The multi-cancer blood test is proven to increase early detection that can save lives.

From The Wall Street Journal ● Sep. 20, 2026

HbA1c, a blood test that reflects average blood sugar over the previous several months, fell by about 0.5% on average in the time-restricted group.

From Science Daily ● Sep. 11, 2026

Or perhaps they’re interested in a blood test that claims to screen for many different cancers.

From Slate ● Sep. 9, 2026

We then decided to get a second opinion from another vet, who took a blood test and encouraged us to put Gumdrop on a wet-food diet.

From The Wall Street Journal ● Sep. 5, 2026

“Anyway, I’m thinking I’ll give my father one of my kidneys. If I’m compatible, that is. People at the hospital, they’re gonna do a blood test on my mom and me.”

From "Red Kayak" by Priscilla Cummings