Lab test · Diabetes
Random Blood Sugar (RBS)
Blood sugar at any time
- Blood sample
- No fasting
- Report within 24 hours
- Home collection
What this test is for
Blood sugar at any time
A random blood sugar test measures the glucose in your blood at any time of day, whenever you last ate. It is a quick way to check for high blood sugar, especially if you have symptoms of diabetes. Because it does not need fasting, it is useful when a fasting sample is not practical.
Why a doctor may order it
- If you have symptoms of high blood sugar, such as thirst, passing urine often or blurred vision
- As a quick screening check for diabetes
- To check sugar levels when you feel unwell or during an illness
- To spot-check blood sugar in people with known diabetes
How to prepare
Fasting: Not needed.
You can eat and drink as usual. Note the time of your last meal and tell the collector, since sugar levels are naturally higher after eating. Keep taking your usual medicines unless your doctor has advised otherwise.
At home
- Sample
- Blood sample
- How it works
- The collector comes to your home at a time that suits you and takes a small blood sample from a vein in your arm. It takes a few minutes, and there is no need to plan meals around the visit.
- Report
- Within 24 hours of collection.
What the results can mean
The report shows your blood glucose next to the laboratory's reference range for a random sample. A clearly high result, especially with symptoms, can suggest diabetes, while a result near the upper limit may need a fasting sugar or HbA1c to clarify. A single random result cannot rule diabetes in or out. Your doctor will interpret it together with the time of your last meal and your symptoms.
What's included
One test: Random Blood Sugar (RBS), from one blood sample.
Related tests
- Fasting Blood Sugar (FBS)This test measures the glucose (sugar) in your blood after you have not eaten for several hours, usually overnight.
- HbA1c (Glycated Haemoglobin)HbA1c measures how much of the haemoglobin in your red blood cells has glucose (sugar) attached to it.
- Blood Sugar 2 Hours After Breakfast (2HABF)Blood sugar after a meal৳100
- Urine Sugar (Urine Glucose)This test checks whether glucose (sugar) is present in your urine.
- HOMA-IR (Insulin Resistance)Insulin resistance check৳790
- Fructosamine2 to 3-week blood sugar average৳1,390
Questions people ask
What is the difference between random and fasting blood sugar?
Random blood sugar can be taken at any time, whatever you have eaten. Fasting blood sugar is taken after an overnight fast, which gives a steadier baseline. Doctors choose between them depending on the question.
Can a random blood sugar test diagnose diabetes?
A clearly high random result together with classic symptoms can support a diagnosis. Otherwise, doctors usually confirm it with a fasting blood sugar, a two-hour test or an HbA1c.
Should I eat before a random blood sugar test?
There is no need to change what you eat. Eat as you normally would, and let the collector know when you last ate or had anything sweet to drink.
How much does a RBS test cost in Dhaka?
With Mukti Health the price is ৳150, and the sample is collected at your home in Dhaka. You see the price again before you confirm the booking in the Mukti Health app.
Can I do the RBS test at home in Dhaka?
Yes. Book it in the Mukti Health app and a trained sample collector comes to your home in Dhaka to take the blood sample. You do not need to go to a laboratory.
How long does the RBS report take?
The report is usually ready within 24 hours of the sample being collected.