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Glycosylated Hemoglobin (HbA1c)

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NABL, ISO
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Overview
Interpretations
FAQ's
Glycosylated Hemoglobin (HbA1c)

Overview of Glycosylated Hemoglobin (HbA1c)

What is Glycosylated Hemoglobin (HbA1c)?

Glycosylated Hemoglobin, also called Glycated Hemoglobin, Hemoglobin A1c, or HbA1c, refers to hemoglobin which is bound to glucose. Glycosylated Hemoglobin Test is performed to measure the percentage of glycosylated hemoglobin in blood which reflects the average blood glucose over a period of past two to three months (8 - 12 weeks).

Sample Type

The sample type collected for Glycosylated Hemoglobin (HbA1c) is: Blood

Preparation for Glycosylated Hemoglobin (HbA1c)

  • No special preparation required

Why Get Tested for Glycosylated Hemoglobin (HbA1c)?

The Glycosylated Hemoglobin test is performed to:

  • Monitor Diabetes treatment efficacy by measuring glycosylated hemoglobin regularly 

  • Screen for Diabetes as part of regular health checkup, as well as in patients with high risk of developing diabetes

  • Diagnose and confirm diabetes in combination with other tests if blood sugar levels are high over a long period of time


        

Understand more about Glycosylated Hemoglobin (HbA1c)

Hemoglobin is the protein found in Red Blood Cells and is responsible for transporting oxygen. Of the different types of hemoglobin, Hemoglobin A is predominant. With elevation of blood sugar levels, some glucose binds spontaneously to Hemoglobin A (this binding is called Glycosylation or Glycation) and remains bound for the complete lifetime of the RBC, which is 120 days normally. Higher the level of glucose in the blood, greater is the amount of it binding to Hemoglobin A. Hemoglobin A1c is the dominant form of Glycated Hemoglobin. As RBCs die and are replaced, Hemoglobin A1c is cleared and slowly replaced with non-glycosylated hemoglobin. Measurement of HbA1c level over a period of time gives an indication of the level of glucose in the blood over the specified period of time. This helps in the diagnosis of Diabetes and is useful for monitoring the effectiveness of measures taken to reduce blood sugar levels.


What Results of Glycosylated Hemoglobin (HbA1c) mean?

Interpretations

Normal: Below 5.7% (39 mmol/mol approx.)

Prediabetic: 5.7% - 6.4% (39 to 46 mmol/mol approx.)

Diabetic: Above 6.5% (above 48 mmol/mol approx.)


Less than 5.7% Glycated Hemoglobin indicates normal levels of blood sugar. Increased risk of developing Diabetes is found in Prediabetic patients with blood sugar level between 5.7% and 6.4%. Patients with a HbA1c level greater than 6.5% are usually diagnosed with Diabetes.


Patient Concerns about Glycosylated Hemoglobin (HbA1c)

Frequently Asked Questions about Glycosylated Hemoglobin (HbA1c)

Q. How is this test performed?
This test is performed on a blood sample. A syringe with a fine needle attached is used to withdraw blood sample from a blood vessel in your arm generally from the inner side of the elbow area. The doctor, nurse or the phlebotomist will tie an elastic band around your arm which will help the blood vessels to swell with blood and hence makes it easier to withdraw blood. You may be asked to tightly clench your fist. Once the veins are clearly visible, the area is cleaned with an antiseptic solution and then the needle is inserted into the blood vessel to collect the sample. You may feel a tiny pinprick during the procedure. Blood sample once collected is then sent to the laboratory.
Q. Is there any risk associated with this test?
There is no risk associated with the test. However, as this test involves a needle prick to withdraw the blood sample, rarely, a patient may experience increased bleeding, hematoma (blood collection under the skin) formation, bruising or infection at the site of needle prick.
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Provided By

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Primex Healthcare and Research Private Limited is a company incorporated in Chennai, India that aims to deliver premium quality healthcare services at affordable prices across India.\r\nIndia has a highly fragmented diagnostics services industry that has many local players and a few regional/national players. The services are costly and not within the reach of most of India. To take advantage of the typical volume spike that the right price can deliver, Primex has introduced the low cost “Jet Konnect” model with a graded pan India rollout strategy. Primex Scans & Labs, a division of Primex Healthcare, is the diagnostic arm that delivers high-end scan and laboratory services at affordable prices by providing a professional, dependable, accessible and affordable service. Driven by volumes, Primex passes on the economies of scale as a direct benefit to the customer. Primex brings the best of medical equipment from pioneers like Philips and Toshiba and technology developed in-house to guarantee precise and timely results. Primex takes customer service to the next level by enabling unique services like home collection, 24x7 centers, online & SMS-based report tracking and delivery, 24x7 appointments through a dedicated call center and much more. Primex now has 6 primary locations spread across Chennai providing 2000+types of investigations including MRI scan, CT scan, digital X-Ray, Ultrasound, computerized ECG, TMT and lab tests. Primex is backed by Kalpathi Investments as a strategic and significant shareholder in the company.

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