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

Health insurance is one of the strongest predictors of whether people receive preventive medical care; which would include routine blood work, annual physical exams, vaccinations and cancer screening. — Omer Awan, Forbes.com, 27 June 2026

His blood work was generally normal except for elevated IgE, a signal of immune responses linked to allergies, autoimmune disease, and parasitic infections. — Beth Mole, ArsTechnica, 26 June 2026

After arriving at the emergency room, doctors ordered another round of blood work to confirm the findings. — Jordan Greene, PEOPLE, 23 June 2026

Hospital blood work for Puig showed her blood alcohol level well above the legal limit four hours after the incident. — David Goodhue, Miami Herald, 10 June 2026

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