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NABL & ICMRAccreditedThe Fasting Blood Sugar (FBS) test evaluates blood glucose (sugar) levels after an 8-hour fast. It is essential for diagnosing and managing prediabetes and diabetes, conditions marked by persistent high blood sugar due to inadequate insulin production or utilisation. Prediabetes, a precursor to diabetes, features slightly elevated blood sugar levels not yet high enough for a diabetes diagnosis. The FBS test is also used to detect gestational diabetes, which can develop in pregnant women because of pregnancy hormones.
The FBS test accurately assesses how well the body controls blood glucose levels without recent food intake. It is crucial for diagnosing and managing impaired glucose metabolism and diabetes.
If you live in Mumbai and your doctor suspects diabetes, getting an FBS test promptly is vital for timely management. Schedule an FBS test in Mumbai today for effective treatment and management.
Glucose, often called blood sugar, is the primary sugar found in the blood. The FBS test has only one parameter: it measures blood sugar levels in a fasting state, providing the most accurate baseline.
Elevated blood sugar can result from various factors, including poor dietary habits, a sedentary lifestyle, obesity, and a family history of diabetes.
Glucose is derived from dietary carbohydrates, which break down and release glucose into the circulation during digestion. Insulin, a hormone produced by the pancreas, facilitates the absorption of glucose into the body's cells, where it is used for energy. When the cells take in glucose, blood sugar levels drop, maintaining control over blood sugar levels. In individuals with diabetes, the pancreas either does not produce enough insulin or the body does not use insulin effectively, leading to persistently high blood sugar levels. Over time, these elevated sugar levels can harm blood vessels and nerves, causing serious health issues.
Preparing for an FBS test requires following particular conditions to obtain reliable findings. They are as specified below:
Prerequisites
It is crucial to avoid eating or drinking anything other than water for at least 8-12 hours before the FBS test. Food can influence sugar levels, so fasting ensures a more precise measurement of blood sugar.
Best Time to Get Tested
The FBS test is usually scheduled in the morning before breakfast. This timing ensures that the individual has undergone overnight fasting for accurate test results.
Who Should Get an FBS Test
People exhibiting diabetes symptoms (like increased hunger, increased thirst, frequent urination, and unexplained weight loss) or those with risk factors such as obesity or a family history of diabetes are ideal candidates for the FBS test. This test not only screens for diabetes but is also used alongside the Postprandial Blood Sugar (PPBS) test to monitor treatment effectiveness in diabetics. Additionally, the FBS test is part of routine health evaluations to monitor blood glucose levels and to check for gestational diabetes in women who are pregnant.
Cautions Before Taking the FBS Test
Before taking the FBS test, you should inform your doctor about any medications you are currently using. Some medications can affect blood sugar levels and potentially alter the accuracy of the test results.
An FBS test is recommended in the following instances:
Symptom Assessment and Risk Factor Evaluation
Your doctor may request an FBS test if you exhibit diabetes symptoms such as increased thirst, frequent urination, blurred vision, fatigue, unexplained weight loss, numbness or tingling in the extremities, or slow-healing sores. The test may also be recommended if you have risk factors like high blood pressure, obesity, being 45 or older, a sedentary lifestyle, a history of stroke or heart disease, or a history of gestational diabetes.
Routine Monitoring
The FBS test is commonly ordered for routine monitoring of blood glucose levels, often as part of annual physical exams, to observe changes in blood sugar over time.
Screening During Pregnancy
Between the 24th and 28th weeks of pregnancy, FBS testing is performed to screen for gestational diabetes as part of a Glucose Tolerance test, ensuring that pregnancy hormones are not negatively impacting blood sugar levels.
Monitoring of Prediabetes
An FBS test may be requested if you have had higher-than-normal glucose levels or are prediabetic. Regular FBS testing helps monitor whether lifestyle changes are reversing prediabetes and preventing diabetes.
Monitoring in Individuals with Diabetes
For those with diabetes, routine FBS testing is crucial to track blood sugar levels. This helps evaluate treatment effectiveness and make necessary adjustments to medication dosages.
Diagnosing Conditions Other Than Diabetes That Can Cause High Blood Glucose Levels
The test is also used to diagnose non-diabetic conditions that cause high blood glucose levels, including Cushing syndrome, acromegaly, hyperthyroidism, and pancreatic disorder.
Diagnosing Conditions Other Than Diabetes That Cause Low Glucose Levels
The FBS test helps identify non-diabetic conditions that lead to hypoglycaemia, such as chronic kidney disease, liver diseases (viral hepatitis, liver cancer, and cirrhosis), and hormonal disorders (pituitary and adrenal gland deficiencies). Low glucose levels can also be caused by diabetes medications and prolonged fasting.
Interpretation of the FBS test results can be done following the table given below:
| Fasting Blood Sugar Level Normal Range | Interpretation |
|---|---|
| 70 – 99 mg/dL | Normal fasting blood sugar level |
| 100 – 125 mg/dL | Indicates prediabetes; blood sugar levels are higher than normal but not high enough to classify as diabetes |
| 126 mg/dL or above, on more than one occasion | Indicates high blood sugar, the main sign of diabetes |
Interpretation of Abnormal Results
Low blood glucose levels, occurring when blood sugar levels drop below 70 mg/dL, can result from various factors, like an overdose of insulin, drinking excessive alcohol, starvation, adrenal insufficiency (underactive adrenal glands), severe liver disease, hypopituitarism (underactive pituitary function), hypothyroidism (underactive thyroid function), severe infections, and insulinomas (tumours in the pancreas that produce insulin).
High blood glucose levels often signal diabetes, yet numerous other diseases and conditions can also lead to elevated blood glucose levels, like acute stress (response to trauma, heart attack, and stroke for instance), Cushing syndrome (excess cortisol hormone), acromegaly (excess growth hormone), hyperthyroidism (overactive thyroid function), pancreatitis (inflammation of pancreas), and pancreatic cancer.
The FBS Test price is ₹ 120. This cost includes the quickest home sample collection within 60 minutes of test confirmation, and the reports are available in 6 hours.
Measuring blood glucose levels post-fasting, the FBS test is instrumental in diagnosing and monitoring conditions such as prediabetes and diabetes.
Yes, fasting for at least 8 to 12 hours is mandatory before undergoing the Sugar test at home.
Yes, Orange Health Labs provides home sample collection for the Sugar test at home in Mumbai, giving you the option of getting tested from the comfort of your home.
Here's how you can book any blood test or health checkup on our platform:
Search for the Test : Look for the FBS test in Mumbai or at home, then click on Orange Health’s listing.
Review and Confirm : Select the test, review the prerequisites, enter your address, and confirm the booking by choosing a convenient time slot for sample collection.
Sample Collection : Our skilled eMedic will visit your home during the selected time slot for the sugar test home collection.
Lab Analysis : The collected sample will undergo analysis at our NABL-accredited and ICMR-approved labs.
Receive Your Reports : Expect your reports to be delivered via email, WhatsApp, or our app within 6 hours of sample collection.
Generally, fasting blood sugar levels fall within the range of 70 to 99 mg/dL.
The FBS test is a swift and simple procedure, involving just a few minutes for sample collection. Expect results within 6 hours of the sample being collected.
How often you need to be tested depends on your doctor's advice and your health status.
The FBS test measures blood glucose levels after abstaining from food for at least 8 hours.
Before undergoing the FBS blood test, fasting for a minimum of 8 hours is necessary.
Fasting guarantees precise measurement of initial blood sugar levels, unaffected by recent food consumption.
Yes, it is acceptable to drink water before undergoing the FBS test.
Hyperglycaemia denotes elevated blood sugar levels, commonly linked with diabetes and specific health conditions.
Symptoms of hyperglycaemia include increased thirst, frequent urination, blurred vision, fatigue, and heightened appetite.
The FBS test is usually conducted in the morning following an overnight fasting period.
Blood glucose tests are frequently employed for diagnosing and monitoring diabetes and prediabetes. They are also utilised to identify other medical conditions that cause hyperglycaemia and hypoglycaemia.
Unless otherwise instructed by your doctor or nurse, continue to take your usual medications before undergoing a Fasting Blood test.
Orange Health offers the quickest FBS test services near you in Mumbai from the comfort of your own home, without the need to attend a physical lab. Localities include but are not limited to Colaba, Nariman Point, Marine Drive, Malabar Hill, Churchgate, Worli, Dadar, Parel, Byculla, Bandra, Andheri, Juhu, Ghatkopar, Powai, Chembur, Vashi, Belapur, Santacruz, Khar, Versova, Lokhandwala, Goregaon, Borivali, Kandivali, Mulund, Bhandup, Kurla.
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