DCA Vantage Analyzer Reagent Kit DCA REAGENT KIT for HbA1c is a testing analyzer that allow the doctor to test patients for hemoglobin A1c and microalbumin/creatinine in-house and quickly relay results back to the patient within minutes instead of days. The quantitative measurement of HbA1c in blood offers effective preventation and treatment to help reduce the risk of retinopathy, nephropathy and neuropathy in patients with diabetes.