BUN

Also known as: Urea nitrogen; Urea

Formal name: Blood Urea Nitrogen

Related tests: Creatinine; Creatinine Clearance; eGFR; CMP; BMP; Urinalysis; Microalbumin

Related Pages

On This Site

Conditions: Kidney and Urinary Tract Function, Disorders, and Diseases

Elsewhere On The Web

NIDDK: Your Kidneys and How They Work
National Kidney Foundation
National Kidney Foundation: Kidneys: Master Chemists of the Body
Davita: How Kidneys Work (Video)

NOTE: Pages listed here are provided as supplemental resources for your further research. For a complete list of sources used in preparing this article, click here.

This article was last reviewed on March 23, 2009. | This page was last modified on November 14, 2009.

The review date indicates when the article was last reviewed from beginning to end to ensure that it reflects the most current science. A review may not require any modifications to the article, so the two dates may not always agree.

The modified date indicates that one or more changes were made to the page. Such changes may or may not result from a full review of the page, so the two dates may not always agree.

This website is certified by Health On the Net Foundation. Click to verify.

We comply with the HONcode standard for
trustworthy health information.
Verify Compliance.

Produced by