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

Testosterone replacement therapy carries real risks, and getting the evaluation right starts with the right questions and the right blood work. — Samantha Agate, Kansas City Star, 28 July 2026

Treatment Options for Low Testosterone If blood work confirms low testosterone and lifestyle changes don’t help, doctors may prescribe testosterone replacement therapy. — Samantha Agate, Charlotte Observer, 27 July 2026

Providing a patient with additional vials of antivenom is dependent on several factors, which include the swelling of the bite area, the patient’s pain level and blood work results, Vohra said. — Karen Garcia, Los Angeles Times, 21 July 2026

Routine blood work as a preventive measure typically begins around age 20, when most adults should have periodic baseline screenings (like a CBC and cholesterol check) during an annual physical. — Jesse Pines, Forbes.com, 20 July 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