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RBS (Random Blood Sugar)

Also known as RBG (Random Blood Glucose), Glucose - Random
99159 37% Off
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Test Preparation
  1. No special preparation is required.

Understanding RBS (Random Blood Sugar)

What is RBS (Random Blood Sugar)?

An RBS (Random Blood Sugar) test is used to measure the blood glucose (sugar) level at a random time, regardless of when the individual last ate. It is commonly used for screening, diagnosis, and monitoring of diabetes mellitus and other metabolic conditions.

Glucose is the primary energy source for the body, and it is derived from the breakdown of carbohydrates in the food we consume. After the breakdown, glucose is absorbed into the blood and transported to all the body cells for energy. The blood glucose level is regulated by insulin, a hormone produced by the pancreas. Low levels of insulin or its reduced effectiveness can cause blood glucose levels to rise, and high blood glucose levels can be a sign of diabetes or prediabetes (a condition where a person has high blood glucose levels but not yet at a level that qualifies as diabetes). 

Your doctor may advise an RBS (Random Blood Sugar) test if you experience symptoms of diabetes, such as increased thirst, frequent urination, unexplained weight gain/loss, fatigue, and blurred vision. Early detection of diabetes allows to prevent complications such as heart disease, kidney damage, and nerve damage. It is also used for monitoring blood sugar levels in individuals with known diabetes, assessing symptoms of low blood sugar (hypoglycemia), and evaluating the effectiveness of diabetes medications.

No special preparation is required before this test. Unlike fasting blood sugar tests, which require an individual to fast for a specific period before the test, an RBS (Random Blood Sugar) test can be performed at any time during the day, providing immediate information about blood sugar levels. However, please inform your doctor about all your medications, as some of them may affect your blood glucose levels and need a dose adjustment before the test.

Test result ranges are approximate and may differ slightly between labs depending on the methodology and laboratory guidelines. Talk to your doctor about your specific test results. The results will help them determine your medical condition, make recommendations for lifestyle modifications such as diet and exercise, decide whether or not medication will be required to manage your condition and formulate your overall treatment plan.

What is RBS (Random Blood Sugar) used for?

An RBS (Random Blood Sugar) test can be done:

  • As part of routine health checkups to measure the blood glucose levels.

  • If you have symptoms of altered blood glucose levels, such as weight gain/loss, increased thirst, blurred vision, frequent urge to urinate, or confusion.

  • If you have risk factors for diabetes, like high blood pressure, cardiovascular disease, high cholesterol, obesity, or a family history of diabetes. 

  • To monitor glucose control and assess treatment effectiveness, including medication, diet, and lifestyle modifications.

  • To screen pregnant women for gestational diabetes.

What does RBS (Random Blood Sugar) measure?

An RBS (Random Blood Sugar) test is done to measure the levels of glucose at any time of the day. This test provides a speedy diagnosis of diabetes. It is also helpful in identifying diabetic patients who require a supplementary dose of insulin in case of an emergency. 

Interpreting RBS (Random Blood Sugar) results


  • According to American Diabetic Association and WHO,  if your random blood glucose is greater than or equal to 200 mg/dl, you have diabetes.

  • If the levels are between 140 and 200 mg/dl, you are at increased risk of developing diabetes (Pre-diabetic).

Answers to Patient Concerns & Frequently Asked Questions (FAQs) about RBS (Random Blood Sugar)

Frequently Asked Questions about RBS (Random Blood Sugar)

Q. What is the full form of an RBS test?

The full form of an RBS test is a Random Blood Sugar test.

Q. What is an RBS test?

An RBS test is a blood test that estimates the amount of sugar (glucose) in the blood at any random time of the day.

Q. Why is an RBS test done?

An RBS test is done to determine if a person has diabetes. This test is also used to monitor blood sugar control in people already diagnosed with diabetes.

Q. What is the procedure of sample collection for an RBS test?

A well-trained phlebotomist (a professional who draws blood) will clean your skin with an antiseptic alcohol cotton swab or wipe before drawing blood from your vein with a needle. The blood sample will then be safely preserved before being delivered to the laboratory for processing.

Q. What are the normal results of an RBS (Random Blood Sugar) test?

The results of an RBS (Random Blood Sugar) test vary depending on the laboratory conducting the test. However, in general, glucose levels that are below 140 milligrams per deciliter (mg/dL) are considered normal.

Q. What factors can affect the results of an RBS (Random Blood Sugar) test?

Factors that can affect the results of an RBS test include the type and amount of food consumed, physical activity, medications, and underlying health conditions such as liver or kidney disease.

Q. When can an RBS test be suggested?

Your doctor might suggest an RBS test if you are at a higher risk of developing diabetes. This test is done when you have risk factors for diabetes, such as aging, obesity, chronic conditions like heart disease, high blood pressure, or high cholesterol; if you are prediabetic; have a family history of diabetes; lead a sedentary lifestyle; or have polycystic ovarian syndrome (PCOS).

Q. What other tests might be suggested along with an RBS (Random Blood Sugar) test?

Your doctor may suggest some additional tests along with an RBS (Random Blood Sugar) test such as a glycosylated hemoglobin (HbA1c) test, fasting blood sugar test, and glucose post-prandial test.

Q. Is prediabetes curable?

Yes, prediabetes is curable. You can prevent or delay prediabetes from turning into type 2 diabetes by adopting some lifestyle modifications, such as eating a healthy diet and increasing physical activity to maintain a healthy body weight.
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RBS (Random Blood Sugar) test price for other cities

Price inBangaloreRs. 99
Price inHyderabadRs. 99
Price inPuneRs. 99
Price inMumbaiRs. 99
Price inGurgaonRs. 99
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