Humulin®

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DIABETES: Overview of HbA1c

HbA1c is the gold standard for measuring glycemic control.

Detailed Information

The information in this response regarding HbA1c is not intended or implied to be a substitute for professional medical advice, diagnosis or treatment. 

Overview of HbA1c

Definition of HbA1c

Your HbA1c test results gives your HCP an average BG (blood sugar) over the last 2 to 3 months.1

Testing HbA1c

Typically, your HbA1c will be checked at least twice a year, or more frequently if you are not meeting your treatment goals.1

Goal HbA1c

The goal HbA1c for the average person is less than 7%, or an eAG of 154; however, your HCP may have a different goal based on your individual needs (Table 1).1 

Table 1. Comparison of HbA1c to Estimated Average Glucose1

HbA1c (%)

eAG (mg/dL)

6

126

6.5

140

7

154

7.5

169

8

183

8.5

197

9

212

9.5

226

10

240

Abbreviations: eAG = estimated average glucose; HbA1c = glycated hemoglobin.

Abbreviations

BG = blood glucose

eAG = estimated average glucose

HbA1c = glycated hemoglobin

HCP = health care provider

Reference

1. Understanding A1C. American Diabetes Association website. https://www.diabetes.org/a1c. Accessed October 7, 2019.

Date of Last Review: October 07, 2019

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