In order to identify the patient’s presence of diabetes mellitus, or metabolic and carbohydrate disorders. Blood is drawn to determine blood sugar levels. The analysis will show the condition of the body and help determine the diagnosis. And also, prescribe timely treatment.
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Taking a blood test. Purpose; 
After examining the patient, the doctor gives a referral for blood donation. Because this analysis will indicate the presence of symptoms and metabolic disorders. Having diabetes or pre-diabetes. As well as the presence of frequent urination, fatigue and thirst.
In addition, the examination is prescribed for hereditary diabetes. Control is also maintained in people who already have diabetes.
Before donating blood for sugar;
Immediately before the blood test. To obtain a reliable and error-free result, certain rules must be followed; 
1. It is mandatory to donate blood on an empty stomach. To do this, it is advisable not to eat for 8 to 12 hours. 2. In addition, before the analysis it is not advisable to engage in physical exercise and avoid stressful situations. 3. The doctor should be familiar with the medications the patient is taking. For the reason that a number of medications affect blood sugar levels
Blood collection process; 
The process of donating blood to measure blood sugar is carried out from a vein, namely the ulnar vein. To do this, it is necessary to place the patient in a comfortable position. This can be in a lying or sitting position. When the subject is in a comfortable position, blood is drawn. The process itself is carried out using a syringe or vacuum tubes. In terms of time, the process itself usually takes place within a few minutes. In addition, in terms of pain, the process itself is practically painless.
Interpretation of analysis results; 
After receiving the results of the examination, the doctor informs the patient of its indicators. Analysis results are usually indicated in milligrams per deciliter. Also in millimoles per liter. Standard, normal values, in most cases, indicate an amount of 70 – 100 mg/dL, which is 3.9 – 5.6 mmol/L. If the indicators are overestimated, this will indicate diabetes mellitus. Or for other problems.
What to do if the indicators are higher than normal;
Blood test done. You received the results of the examination and they turned out to be overestimated. Your procedure. The most important thing is to immediately consult a doctor for advice. 
The attending physician may prescribe additional examination. He will indicate to you the daily diet, the norms of physical activity and the appropriate treatment process. I would like to remind you that determining blood sugar levels is a very important factor for health and the diagnosis of other diseases. If you follow your doctor’s instructions correctly, your blood sugar levels will be normal.
Blood sugar testing is an important component of health and can be a useful tool in diagnosing and managing many diseases. If you follow your doctor’s recommendations, the test will help maintain normal blood sugar levels. And also, exclude the development of other serious diseases.
