Diabetes tests help diagnose high blood sugar (hyperglycemia) and monitor diabetes management.
Sample: Blood (after 8–10 hours of fasting)
Normal Range: 70–100 mg/dL
Indicates: Prediabetes or diabetes if elevated
Sample: Blood (2 hours after a meal)
Normal Range: <140 mg/dL
Used to: Evaluate how the body handles sugar after food
Sample: Blood (no fasting needed)
Normal Range:
Normal: <5.7%
Prediabetes: 5.7–6.4%
Diabetes: ≥6.5%
Reflects: Average blood sugar over 2–3 months
Sample: Blood (any time of day)
Normal Range: <200 mg/dL
Used for: Quick screening
Used in: Pregnancy (GDM testing) or borderline diabetes
Procedure: Sugar drink given, blood samples taken at intervals
Urine Microalbumin – Early kidney damage
Lipid Profile – Cholesterol levels (diabetics at heart risk)
Liver Function Test (LFT) – Monitors liver health
Creatinine – Kidney function test
Thyroid Profile – TSH, T3, T4 (often altered in diabetics)
Diabetes Care Package
Includes: FBS, PPBS, HbA1c, RBS, Lipid Profile, Creatinine
Ideal for: Routine diabetes screening or monitoring
Sample Type: Blood
Fasting Required: Yes (at least 8 hours)
Reporting Time: 6–12 hours
Same Day*
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A diabetes test checks your blood glucose (sugar) levels to determine if you have diabetes or prediabetes.
Fasting Blood Sugar (FBS): Measures blood sugar after an overnight fast.
A1C Test (HbA1c): Measures average blood sugar over the past 2–3 months.
Oral Glucose Tolerance Test (OGTT): Measures response to a sugar drink over a few hours.
Random Blood Sugar Test: Taken at any time, regardless of meals.
Glucose Challenge Test (during pregnancy): Screens for gestational diabetes.
Yes for Fasting Blood Sugar and OGTT (usually 8–12 hours).
No for A1C and Random Blood Sugar tests.
Test Normal Prediabetes Diabetes
Fasting Blood Sugar <100 mg/dL 100–125 mg/dL ≥126 mg/dL
A1C <5.7% 5.7%–6.4% ≥6.5%
OGTT (2 hours) <140 mg/dL 140–199 mg/dL ≥200 mg/dL
Random Blood Sugar — — ≥200 mg/dL*
Adults over 45 years
Overweight individuals with risk factors (e.g., family history, high blood pressure)
Pregnant women (for gestational diabetes)
People with symptoms of diabetes (fatigue, blurred vision, excessive thirst/urination)
Yes. You can use a glucose meter (for current levels) or A1C home test kits. However, lab tests are more accurate.
