Discover the normal HbA1c range for various age groups, from children to older adults. Learn how age influences target levels and what’s considered healthy for effective diabetes management. Learn how the HbA1C test helps monitor long-term blood sugar levels, detect diabetes management, and prevent complications. Stay proactive with expert care at Max Hospital. Normal Value (Range) of HbA1c Chart According to the World Health Organization (WHO), an HbA1c value of 48 mmol/mol (6.5%) is recommended as the cut point for diagnosing Diabetes Mellitus. An HbA1c value of less than 48 mmol/mol (6.5%) does not exclude diabetes mellitus that is interpreted using glucose tests. Learn how HbA1c test measures your average blood sugar level and why it varies by age, race, and health conditions. Find out the target HbA1c levels for prediabetes, diabetes, and older adults according to different guidelines.