creatinine
noun
cre·at·i·nine
krē-ˈa-tə-ˌnēn 
-ən
: a white crystalline strongly basic compound C4H7N3O formed from creatine and found especially in muscle, blood, and urine
Examples of creatinine in a Sentence
Recent Examples on the Web
New research shows that centenarians—or people who live to 100 or beyond—may have lower (but not too low) levels of glucose, uric acid, and creatinine in their blood.
—
Brian Mastroianni, Health, 31 Oct. 2023
The organ not only produced urine, but also removed serum creatinine, a waste product that can build up in the blood of patients with kidney disease.
—Amy Yurkanin | Ayurkanin@al.com, al, 17 Aug. 2023
Levels of creatinine, an indicator of kidney function, have remained normal and there has been no indication of rejection.
—Karen Weintraub, USA TODAY, 16 Aug. 2023
The kidneys play a crucial role in filtering waste products from the blood, including creatinine (a byproduct of creatine metabolism).
—Amber Smith, Discover Magazine, 9 July 2023
Instead, clinicians can estimate GFRs by taking a patient’s creatinine levels and running it through an equation that accounts for the different levels of creatinine produced by people of different ages, races, and sexes.
—Brittany Trang, STAT, 22 Nov. 2022
That was the case five years ago for Franklin, Tennessee, resident Greg Norwicki, whose beloved cat Tucker was diagnosed with kidney failure after routine blood work showed slightly elevated creatinine and blood urea nitrogen – indicators for kidney disease.
—Allie Weintraub, ABC News, 6 June 2023
Then, because of worsening kidney function (high creatinine), I have been switched to just glyburide alone.
—Dr. Keith Roach, oregonlive, 16 Feb. 2023
The second test is a blood test to measure for a waste product called creatinine.
—Alex Groth, Journal Sentinel, 29 Mar. 2023
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Brian Mastroianni, Health, 31 Oct. 2023
The organ not only produced urine, but also removed serum creatinine, a waste product that can build up in the blood of patients with kidney disease.
—Amy Yurkanin | Ayurkanin@al.com, al, 17 Aug. 2023
Levels of creatinine, an indicator of kidney function, have remained normal and there has been no indication of rejection.
—Karen Weintraub, USA TODAY, 16 Aug. 2023
The kidneys play a crucial role in filtering waste products from the blood, including creatinine (a byproduct of creatine metabolism).
—Amber Smith, Discover Magazine, 9 July 2023
Instead, clinicians can estimate GFRs by taking a patient’s creatinine levels and running it through an equation that accounts for the different levels of creatinine produced by people of different ages, races, and sexes.
—Brittany Trang, STAT, 22 Nov. 2022
That was the case five years ago for Franklin, Tennessee, resident Greg Norwicki, whose beloved cat Tucker was diagnosed with kidney failure after routine blood work showed slightly elevated creatinine and blood urea nitrogen – indicators for kidney disease.
—Allie Weintraub, ABC News, 6 June 2023
Then, because of worsening kidney function (high creatinine), I have been switched to just glyburide alone.
—Dr. Keith Roach, oregonlive, 16 Feb. 2023
The second test is a blood test to measure for a waste product called creatinine.
—Alex Groth, Journal Sentinel, 29 Mar. 2023
See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'creatinine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
German Kreatinin, from Kreatin creatine
First Known Use
1851, in the meaning defined above
Dictionary Entries Near creatinine
Cite this Entry
“Creatinine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/creatinine. Accessed 29 Nov. 2023.
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Medical Definition
creatinine
noun
cre·at·i·nine
krē-ˈat-ᵊn-ˌēn, -ᵊn-ən
: a white crystalline strongly basic compound C4H7N3O formed from creatine and found especially in muscle, blood, and urine
More from Merriam-Webster on creatinine
Britannica.com: Encyclopedia article about creatinine
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