HbA1c
The share of your hemoglobin with glucose stuck to it, which averages your blood sugar over roughly three months.
The share of your hemoglobin with glucose stuck to it, which averages your blood sugar over roughly three months.
It smooths out the daily noise in glucose, which is why most diagnoses and treatment decisions rest on it rather than on single readings.
Because it depends on how long red cells live, anemia, recent blood loss and some hemoglobin variants can make it read falsely low or high.
Worth discussing a sustained upward trend even while it stays inside the range.
On a report in another language.
A lab report names this analyte in its own language. Vitals Vault recognises each of these and files them all under HbA1c.
Catalog entry last updated 2026-08-27. Browse all 165 metrics.