hemoglobin A1c

noun

: a stable glycoprotein formed when glucose binds to hemoglobin A in the blood
Blood sugar was assessed by measuring the amount of hemoglobin A1c in the participants' blood, a test that looks for hemoglobin with sugar attached to it.Gina Kolata
also : a test that measures the level of hemoglobin A1c in the blood as a means of determining the average blood sugar concentrations for the preceding two to three months

Note: Both the glycoprotein and the test are also called A1c, glycated hemoglobin, glycohemoglobin, glycosylated hemoglobin, HA1c, and HbA1c.

Examples of hemoglobin A1c in a Sentence

Recent Examples on the Web For example, Rose-Francis notes that a high intake of niacin, a B vitamin, may actually raise blood sugars and be counterproductive to glucose management and lowering your hemoglobin A1c. Casey Seiden, Verywell Health, 3 May 2024 Research has shown that berberine can help lower fasting glucose, post-meal glucose, hemoglobin A1c, and even LDL and triglyceride levels in people with type 2 diabetes. Casey Seiden, Verywell Health, 3 May 2024 This medication has shown promise in managing markers of fasting blood sugar levels, and hemoglobin A1c with people who have Type 2 diabetes. Amber Smith, Discover Magazine, 6 Apr. 2024 The goal is to lower hemoglobin A1c, the measure of average blood sugar levels over three months, below 7%. Mira Cheng, CNN, 27 Feb. 2024 The physical aspects of the BCS include blood pressure, cholesterol, hemoglobin A1c, and body mass index. Sherri Gordon, Health, 12 Dec. 2023 Measuring blood glucose levels expanded to include hemoglobin A1c levels, which measures a person's blood sugar levels over the previous three months, according to the CDC. Megan Marples, CNN, 29 June 2022 The crucial blood test doctors use, however, to monitor diabetes for people with Type 2 disease is called hemoglobin A1c, which measures average blood glucose levels over long periods of time. NBC News, 13 Mar. 2021 After the hike, my hemoglobin A1c dropped to within the normal range. Outside Online, 14 Oct. 2016

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hemoglobin A1c.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of hemoglobin A1c was in 1964

Dictionary Entries Near hemoglobin A1c

Cite this Entry

“Hemoglobin A1c.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemoglobin%20A1c. Accessed 22 Jul. 2024.

Medical Definition

hemoglobin A1c

noun
-ˌā-ˌwən-ˈsē
: a stable glycoprotein formed when glucose binds to hemoglobin A in the blood
Blood sugar was assessed by measuring the amount of hemoglobin A1c in the participants' blood, a test that looks for hemoglobin with sugar attached to it.Gina Kolata
also : a test that measures the level of hemoglobin A1c in the blood as a means of determining the average blood sugar concentrations for the preceding two to three months

called also A1c, glycated hemoglobin, glycohemoglobin, glycosylated hemoglobin, HA1c, HbA1c

Last Updated: - Updated example sentences
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