hemoglobin A1c

noun

Definition of hemoglobin A1c

: 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.

First Known Use of hemoglobin a1c

1964

in the meaning defined above

See Words from the same year

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Medical Dictionary

hemoglobin A1c

noun \ -ˌā-ˌwən-ˈsē \

medical Definition of hemoglobin A1c

: 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, The New York Times, 22 Dec. 2005

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