Preparation for Blood Tests

Patient Reminder for Blood Test Preparation

1. Do not eat for 8-14 hours.
2. Do not drink sweetened and tonic drinks (coffee, tea).
3. Do not smoke for at least 1-2 hours before the blood sampling procedure.
4. Only water is allowed.
5. Before blood sampling, it is necessary to calm down and sit quietly for 10-15 minutes.
6. Before a lipidogram or other lipid metabolism tests, it is necessary to fast for 10-12 hours.
7. When repeating hormone, trace element, and electrolyte tests, it is recommended to take blood at the same time of day.
8. When repeating any blood tests, it is important to consider the patient's position (lying or sitting); the sample should be taken in the same position as before.
9. It is not recommended to perform an iron test during menstruation. The test is best performed 2 weeks after menstruation.
10. The concentration of female sex hormones in blood serum depends on the menstrual cycle, so they should be performed on the date set by the doctor.
11. It is not recommended to perform a blood test after radiological, ultrasound, and/or other instrumental examinations, as well as after massages or water procedures.
12. Before blood sampling for prostate-specific antigen and/or free prostate-specific antigen tests, it is recommended to avoid sports, physical exertion, and/or sexual intercourse for a few days.
13. Before catecholamine tests (adrenaline, noradrenaline, dopamine), do not eat bananas, drink coffee, take B vitamins, or use sedatives and other central nervous system-acting drugs for 3 days.
14. It is necessary to inform the staff taking the blood about any medications, vitamins, and supplements being consumed.
15. If there are medical indications, blood for tests may be taken at any time.