Emergency: 1800-456-9999 | Ambulance dispatch: +91 99887 76655

HbA1c

/ˌeɪtʃ.biː.eɪ.wʌnˈsiː/ noun Endocrinology & Lab
Board Reviewed
Reviewed: Aug 2026
Medical Definition

Laboratory blood test measuring the percentage of hemoglobin bound to glucose, reflecting average blood sugar over 2 to 3 months.

Detailed Medical Explanation

HbA1c is a key clinical concept in Endocrinology & Lab.

Laboratory blood test measuring the percentage of hemoglobin bound to glucose, reflecting average blood sugar over 2 to 3 months.

Clinical Significance

In routine medical evaluation, understanding HbA1c assists clinicians in differential diagnosis, laboratory interpretation, and patient management.

When to Consult a Physician

If you or a family member exhibit persistent symptoms or abnormal test results related to HbA1c, consult a board-certified physician or specialist for evaluation.


Clinical Usage & Diagnostic Context

HbA1c ≥ 6.5% confirms Diabetes Mellitus; 5.7%–6.4% indicates Prediabetes. Standard for long-term glycemic control.

Patient-Friendly Explanation

In simple terms, HbA1c refers to: Laboratory blood test measuring the percentage of hemoglobin bound to glucose, reflecting average blood sugar over 2 to 3 months.

Professional Clinical Context

Clinically, HbA1c is categorized under Endocrinology & Lab. Primary clinical manifestations include: Laboratory blood test measuring the percentage of hemoglobin bound to glucose, reflecting average blood sugar over 2 to 3 months.

Medical Disclaimer

This medical glossary entry is provided for health education and informational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional regarding any clinical condition.

Terminology Metadata
  • Specialty Endocrinology & Lab
  • Part of Speech noun
  • Terminology Type test
  • Etymology & Origin Glycated Hemoglobin A1c
  • Synonyms & Aliases Glycated hemoglobin, long-term blood sugar test
Authoritative References

WHO / Medical Literature

Educational / Fair Use
AI Health & CSR Assistant
ICH Apps AI Assistant
Section 8 Non-Profit Health & CSR Intelligence
AI Engine Active Verified Guidance
Hello! I am your ICH Apps AI Assistant. 👋

I can help you book OPD doctor consults, calculate 80G tax exemptions, view statutory CA audit reports, or explore corporate CSR partnerships. How may I assist you today?
QUICK ACTIONS: