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

Another 50-year-old woman who has struggled with Crohn’s disease in the last year, and who preferred to keep her identity private, says the platform offered her blood work that the dietitian could parse through and help give personalized insights. —Alexa Mikhail, Flow Space, 12 Dec. 2025

Doctors at the hospital took Tori's blood work and performed a urinalysis. —Alyce Collins, MSNBC Newsweek, 7 Dec. 2025

There are no new lesions, and tumor markers and blood work have remained the same. —Debra Skodack, Kansas City Star, 12 Nov. 2025

For Gibson, participation meant undergoing a tau PET scan to detect protein buildup in her brain, cognitive testing, blood work and that spinal tap. —Barbara Bry, San Diego Union-Tribune, 26 Oct. 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