HbA1c (Glycosylated Hemoglobin), in Kolkata

Fasting and dietary instructions:

No fasting required. Eat and drink normally before the appointment. Stay well hydrated , drink 2 to 3 glasses of water before the draw. Avoid alcohol and vigorous exercise for 12 hours before collection.

Medication guidance:

If you are on insulin or oral hypoglycaemic medication, follow your doctor's specific advice. For most fasting glucose tests, take medication after the sample is collected. HbA1c timing does not affect results.

What to bring:

Carry your doctor's test order, a government-issued photo ID, and your OPD insurance card. If you have had this test before, bring previous reports , your doctor can compare results over time.

Timing:

Morning slots are recommended for most blood tests. Most markers are most stable before meals and activity. GetVisit home collection in Kolkata is available from 6:00 AM, including in Salt Lake and Jadavpur.

Single standalone test:

HbA1c (Glycosylated Hemoglobin). Can be ordered individually or as part of a preventive health package on GetVisit.

When does a doctor order HbA1c (Glycosylated Hemoglobin)?

HbA1c (Glycosylated Hemoglobin) is the cornerstone of diabetes screening and management , ordered from the first suspicion of pre-diabetes right through to monitoring treatment adequacy in patients on insulin or oral medication.

Who should get HbA1c (Glycosylated Hemoglobin) done in Kolkata?

West Bengal consistently reports above-average diabetes prevalence. Kolkata's urban diet , dominated by white rice, refined flour sweets, and deep-fried snacks , combined with sedentary lifestyles in Park Street, Salt Lake, and New Town creates significant metabolic risk from age 28 onwards. HbA1c (Glycosylated Hemoglobin) is commonly included in diabetes or metabolic panels to screen, diagnose and monitor diabetes. Doctors may order it when patients report increased thirst, frequent urination, unexplained tiredness or weight change. Adults above 30 in Kolkata benefit from periodic health screening that includes HbA1c (Glycosylated Hemoglobin) as part of a broader preventive panel. Residents of Park Street, Salt Lake, and across the city with chronic conditions, those on long-term medication, and individuals with a relevant family history should test at the frequency their specialist recommends.

What conditions can HbA1c (Glycosylated Hemoglobin) help diagnose?

The conditions diagnosable through HbA1c (Glycosylated Hemoglobin) depend on the specific markers the test measures. Results either confirm a suspected diagnosis, support a clinical suspicion requiring further investigation, or effectively exclude the condition the test was screening for.

What do HbA1c (Glycosylated Hemoglobin) results mean?

Post-meal glucose (2 hours after eating) above 140 mg/dL indicates impaired glucose tolerance. Above 200 mg/dL with symptoms is diagnostic of diabetes. Oral glucose tolerance test (OGTT): 2-hour value below 140 mg/dL is normal, 140–199 mg/dL is pre-diabetes, 200 mg/dL or above is diabetes.

How often should HbA1c (Glycosylated Hemoglobin) be repeated?

For preventive screening with a normal baseline: annually for most adults above 35. For monitoring a known condition: at the interval your specialist recommends , typically every 3 to 6 months for active conditions and annually for stable, well-controlled ones.

What happens after HbA1c (Glycosylated Hemoglobin) results are ready?

Your GetVisit digital report is delivered to your phone as soon as results are authorised. Share it directly with your doctor via the app, or book a consultation with a GetVisit-verified specialist on the same platform. Critical values outside a safe range are flagged by the laboratory for urgent clinical review.