KnowraHemoglobin A1cLinked fromLinked fromThe 11 pages that link to Hemoglobin A1c, each with the reason it gives.All 11Broader topic 3Related 4Compared with 4BiomarkerBroader topic: It provides a biomarker of longer-term glucose control in diabetes.Reducing sugarBroader topic: Its formation reflects glucose’s ability to react with protein amino groups.Blood testBroader topic: It is used to diagnose and monitor diabetes over time.