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NABL & ICMRAccreditedThe Fasting Blood Sugar (FBS) test measures blood glucose after an 8-hour fast. It is a crucial test for identifying and monitoring diabetes and prediabetes. Diabetes is characterised by sustained high blood sugar levels caused by insufficient insulin or its improper use. Prediabetes, or borderline diabetes, indicates slightly raised blood sugar levels that do not yet meet diabetes criteria. This test also screens for gestational diabetes, a condition that arises in pregnancy due to hormonal changes.
The FBS test precisely evaluates the body's ability to control blood glucose levels after fasting, helping to diagnose and manage diabetes and impaired glucose metabolism.
If you reside in Delhi and your doctor suspects diabetes, it is crucial to undergo an FBS test as soon as possible for timely treatment. Schedule your FBS test in Delhi today for prompt and effective care.
The primary sugar present in the blood is glucose, sometimes referred to as blood sugar. The FBS test includes a single parameter which assesses blood sugar in a fasting state, offering the most accurate baseline measurement.
Elevated blood sugar levels can arise from factors like obesity, poor dietary choices, inactivity, and a genetic predisposition to diabetes.
Glucose comes from dietary carbohydrates, which break down during digestion and release glucose into the circulation. Insulin, a hormone from the pancreas, aids glucose to enter the body's cells for energy. When glucose is absorbed by the cells, blood sugar levels fall, maintaining balance. However, in diabetes, the pancreas does not produce enough insulin, or the body does not use insulin effectively, causing high blood sugar levels. Over time, elevated sugar levels can harm nerves and blood vessels, resulting in serious health problems.
It is necessary to follow certain instructions when preparing for an FBS test to guarantee reliable findings. They are as indicated below:
Prerequisites
Do not consume any food or beverages, except water, for 8-12 hours before the FBS test. This fasting period is essential because food can alter sugar levels, and fasting provides a clearer assessment of blood sugar.
Best Time to Get Tested
The FBS test is usually scheduled in the morning before breakfast. The timing ensures that the individual being tested has fasted for the whole night to provide reliable test findings.
Who Should Get an FBS Test
The FBS test is recommended for those showing diabetes symptoms (such as frequent urination, increased thirst, unexplained weight loss, and increased hunger) or having risk factors like a family history of diabetes or obesity. It serves as a screening tool for diabetes and, when combined with the Postprandial Blood Sugar (PPBS) test, helps evaluate treatment effectiveness in diabetic individuals. Additionally, the FBS test is included in routine health screenings to monitor blood glucose and detect gestational diabetes in pregnant women.
Cautions Before Taking the FBS Test
Prior to an FBS test, ensure your doctor is aware of any medications you are taking. Some medications can influence blood sugar levels, which might affect the accuracy of your test results.
An FBS test is recommended in the following instances:
Routine Monitoring
The FBS test is ordered as part of routine monitoring of blood glucose levels, typically during annual physical exams, to observe and track changes in blood sugar over time.
Monitoring of Prediabetes
If you have previously had higher-than-normal glucose levels or are prediabetic, an FBS test may be ordered. Regular testing can help determine if lifestyle changes are effective in reversing prediabetes and preventing diabetes.
Monitoring in Individuals with Diabetes
Regular FBS testing is vital for those with diabetes to monitor blood sugar levels, assess the effectiveness of treatment, and adjust medication doses, as necessary.
Screening During Pregnancy
Between the 24th and 28th weeks of pregnancy, FBS testing is performed to screen for gestational diabetes within the framework of a Glucose Tolerance test, ensuring pregnancy hormones are not impacting blood sugar levels negatively.
Symptom Assessment and Risk Factor Evaluation
Your doctor may recommend an FBS test if you experience diabetes symptoms such as blurred vision, fatigue, increased thirst, numbness or tingling in your hands, frequent urination, unexplained weight loss, and feet, or slow-healing sores. The test may also be suggested if you have diabetes risk factors like having a history of stroke or heart disease, previous gestational diabetes, obesity, high blood pressure, being 45 or older, or a sedentary lifestyle.
Diagnosing Conditions Other Than Diabetes That Can Cause High Blood Glucose Levels
The FBS test can diagnose non-diabetic conditions that cause elevated blood glucose levels, such as pancreatic disorders, acromegaly, Cushing syndrome, and hyperthyroidism.
Diagnosing Conditions Other Than Diabetes That Cause Low Glucose Levels
The FBS test assists in diagnosing non-diabetic conditions that cause hypoglycaemia, such as hormonal disorders (like reduced hormone production by the pituitary and adrenal glands), liver diseases (viral hepatitis, liver cancer, and cirrhosis), and chronic kidney disease. Diabetes medications and prolonged fasting can also result in low glucose levels.
The results obtained from the FBS test can be interpreted based on the table outlined here:
| 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 sugar (blood sugar levels fall below 70 mg/dL) may result due to factors such as hypopituitarism (underactive pituitary function), hypothyroidism (underactive thyroid function), starvation, an overdose of insulin, insulinomas (tumours in the pancreas that produce insulin), adrenal insufficiency (underactive adrenal glands), drinking excessive alcohol, severe liver disease, and severe infections.
High blood glucose levels are primarily indicative of diabetes but can result from several other conditions, like acute stress (response to trauma, heart attack, and stroke for instance), acromegaly (excess growth hormone), Cushing syndrome (excess cortisol hormone), hyperthyroidism (overactive thyroid function), pancreatic cancer, and pancreatitis (inflammation of the pancreas).
The FBS Test price is ₹ 100. This cost covers the fastest home sample collection in 60 minutes of scheduling, and the reports are available within 6 hours.
The FBS test, conducted after fasting, assesses blood glucose levels to diagnose and manage conditions such as prediabetes and diabetes.
Yes, fasting for at least 8 to 12 hours is required before undergoing the Sugar test at home.
Yes, with Orange Health Labs you can be tested from the comfort of your home, as we offer home sample collection for the Sugar test at home in Delhi.
Booking any blood test or health checkup on our platform is easy with these steps:
Search for the Test : Locate the FBS test in Delhi or at home and choose the Orange Health’s page.
Book the Test : Select the desired test, review prerequisites, provide your address, and confirm the booking by choosing a suitable sample collection time slot.
Sample Collection : Our experienced eMedic will arrive for the sugar test home collection within the scheduled time slot.
Lab Processing : The collected sample will be sent to our NABL-accredited and ICMR-approved labs for processing.
Get Your Results : Your reports will be delivered to you via email, WhatsApp, or our app within 6 hours of sample collection.
The usual fasting blood sugar range is from 70 to 99 mg/dL.
The FBS test is quick and simple, with sample collection taking only a few minutes. Results are usually ready within 6 hours of the sample being collected.
Your doctor will advise you on how often testing should occur based on your health condition.
Following an 8-hour fasting period, the FBS test determines the concentration of glucose in the blood.
You must fast for at least 8 hours prior to the FBS blood test.
Fasting is crucial for obtaining accurate measurements of baseline blood sugar levels, eliminating the impact of recent food ingestion.
Yes, drinking water before the FBS test is allowed.
Hyperglycaemia refers to elevated blood sugar levels, often connected with diabetes and certain health issues.
Hyperglycaemia symptoms may include fatigue, increased thirst, heightened appetite, blurred vision, and frequent urination.
The FBS test is generally administered in the morning, with an overnight fasting requirement.
Blood glucose tests are widely used to diagnose and monitor diabetes and prediabetes. They are also employed to diagnose other medical conditions that cause hyperglycaemia and hypoglycaemia.
Unless advised otherwise by your doctor or nurse, adhere to your regular medication schedule before having a Fasting Blood test.
Orange Health provides the quickest FBS test services in Delhi without the need to visit a physical lab. Localities include but are not limited to Connaught Place, Chandni Chowk, Karol Bagh, Lajpat Nagar, South Extension, Greater Kailash, Hauz Khas, Saket, Vasant Kunj, Dwarka, Rohini, Pitampura, Janakpuri, Rajouri Garden, Mayur Vihar, Preet Vihar, Shahdara, Laxmi Nagar, Green Park, Safdarjung Enclave, Defence Colony, New Friends Colony, Kalkaji, Malviya Nagar, Nehru Place.
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