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Hba1c (glycosylated Haemoglobin)

About the test
What is this test done for?
The test is use to check for blood sugar levels of a known diabetic person to assess how good the diabetes control has been over previous 3 months. It is a gold standard for diagnosing type 2 diabetes and gestational diabetes (for pregnant women)
Why is it Done?
  • The test gives valuable information regarding long term control over blood sugar levels to doctors and patients.
  • For doctors to alter drug doses and dietary restrictions.
  • For patients to improve their blood sugar levels.
  • To assess the risk of developing complications in diabetics.
When should it be performed?
  • When a person presents with symptoms of polyuria (frequent urination);  polydipsia (excessive thirst); or polyphagia (excessive hunger).
  • When a patient presents with weight loss, diminishing vision,  bloating, delayed digestion, loose motions, fatigue, or dizziness.
  • Feeling of numbness or tingling in legs/arms, having recurrent infections, cuts or bruises take longer to heal. Weakness in arms and legs.
How is it done
A blood sample will be collected from a vein in your arm. Fasting is not necessary. Test can also be performed using Hba1c kits, where a prick on a finger tip is enough for the test.

Results are given in % (percentage).

  • 4–5 %: No diabetes, Normal
  • 5.7–6.4%: Pre-diabetes
  • 6.5% or more: Uncontrolled Diabetes

This test also gives the average blood sugar levels in mg/dl.

  • 68 mg/dl–120 mg/dl: No diabetes
  • 126 mg/dl–152 mg/dl: Normal                              
  • 153 mg/dl–365 mg/dl: High
Other Tests
  • Complete blood count (CBC)
  • Erythrocyte sedimentation rate (ESR)
  • Fasting blood sugar & post lunch blood sugar
  • Urine routine
  • Eye check up
  • Lipid profile
  • Kidney profile
  • Foot assessments are recommended
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