It is based on the determination of laboratory markers in the patient’s biological material.
How to prepare for the test?
Most blood laboratory tests are best performed in the morning – on an empty stomach and after a good night’s sleep. For some studies, blood should always be taken on an empty stomach, because after a meal these parameters change. Before blood is drawn to glucose, prolactin, iron and total iron-binding capacity (TIBC), it should take at least 5-6 hours from the last meal. At least 14 hours should be taken before the blood is collected for a lipidogram (cholesterol, HDL, LDL, triglycerides).
OGTT (oral glucose tolerance test) – a key study for the diagnosis of diabetes. It consists of taking blood twice and determining the level of fasting blood sugar and 2 hours after drinking dissolved 75g of glucose. After taking glucose, the patient should not leave the clinic and should avoid physical activity.
No special preparation is required before urine testing. Urine should be collected after urinating the urinary organs from the middle stream of the first morning urine collection to a clean, sterile container. The container should be legibly signed by first and last name and delivered to the laboratory as soon as possible.
The stool sample should be collected in a special container. Sometimes it is necessary to repeat the examination of faeces several times at specific intervals, because eggs, cysts or larval forms of some parasites may appear periodically in the faeces.
Throat swabs are best taken in the morning before food or liquid intake or at least 3-4 hours after the last meal or the last tooth cleaning.