Test Name: HbA1c – Glycated Hemoglobin

Clinical Significance:
The HbA1c test measures the percentage of glycated hemoglobin, reflecting the average plasma glucose concentration over the previous 8–12 weeks. It is the gold standard for diagnosis and monitoring of diabetes mellitus. Unlike fasting glucose, HbA1c does not require fasting and is less affected by short-term fluctuations.

Reference Ranges (may vary by lab):

• Normal: <5.7%

• Pre-diabetes: 5.7% – 6.4%

• Diabetes: ≥6.5%

• Target for good control in diabetics: <7.0% (as per ADA guidelines)

Indications:

• Diagnosis of Type 2 Diabetes Mellitus and Pre-diabetes

• Long-term monitoring of glycemic control in diabetic patients

• Assessing risk for microvascular and macrovascular complications

Preparation:

• No fasting required

• Sample can be collected at any time of the day

Turnaround Time:

• Fast reporting – Results available within 24 hours (same day reporting).