blood work

noun

variants or less commonly bloodwork

ˈbləd-ˌwərk 

: the diagnostic testing of blood

Some of the kids had blood work done to look at their glucose, insulin, triglycerides and cholesterol levels, which are markers for the risk of type 2 diabetes and future cardiovascular disease.

—Nanci Hellmich

Something else in her blood work intrigued the doctor: nearly half of the white cells seen were a single type of infection-fighting cell—eosinophils.

—Lisa Sanders

Examples of blood work in a Sentence

Recent Examples on the Web

The Columbia researchers are now monitoring 50 women between the ages of 35 and 45 who have taken either rapamycin or a placebo, asking them questions about their mood, memory, and sleep quality, as well as checking their ovarian function through blood work and ultrasounds. —Anna North, Vox, 6 May 2025

Over 12 weeks, vascular health data, blood work and dietary recalls were collected. —Dan Perry, Newsweek, 18 Mar. 2025

The first two days in the hospital were spent with Soren undergoing MRIs, blood work and multiple ultrasounds. —Virginia Chamlee, People.com, 7 Feb. 2025

It is diagnosed with testing that includes endoscopy, blood work, and sometimes other imaging. —Amber J. Tresca, Verywell Health, 16 Apr. 2025

Word History

First Known Use

1889, in the meaning defined above

Rhymes for blood work

• artwork
• beadwork
• berserk
• breastwork
• brickwork
• brushwork
• casework
• classwork
• clockwork
• coursework
• ductwork
• earthwork

Medical Definition

blood work

noun

variants also bloodwork

: the diagnostic testing of blood

The medical team immediately jumped into action ordering blood work and a chest X-ray, placing an IV line and administering antibiotics.

—Kiran Gupta, The Boston Globe