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Blood tests are one of the most widely used and primary medical diagnostic tools used by doctors to assess general health, diagnose diseases, monitor treatment status, and prevent serious problems. Each blood test is performed with a specific purpose and a specific method, and observing the points before and after it plays an important role in the accuracy and quality of the results. In this article, you will learn about the types of commonly used blood tests and important points before and after the test.

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Commonly used blood tests and their applications ### 1. Complete blood count (CBC) This test is for general health assessment and diagnosis of infection, anemia, bleeding disorders and other blood problems. In this test, the number of red blood cells, white blood cells and platelets are measured. ### 2. Blood glucose test It is used to measure blood sugar and diagnose diabetes or pre-diabetes. This test is very important in the control and monitoring of diabetes. ### 3. Blood fat test (Lipids) including cholesterol, triglycerides and lipoproteins, to assess the risk of cardiovascular diseases. ### 4. Liver and kidney function tests including ALT, AST, bilirubin and creatinine clearance tests to check liver health and kidney function. ### 5. Hormonal test Such as thyroid, estrogen, testosterone and other hormones that play an important role in the health of glands and regulation of body processes.

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### 6. Infectious and viral tests Such as testing for HIV, hepatitis, syphilis and other infections that are necessary for their diagnosis and control. Important points before taking a blood test To obtain accurate and reliable results, it is necessary to observe the following points: - **Doctor's advice**: If you are taking medication, be sure to consult your doctor because some medications may affect the test results. **Fasting**: Most blood sugar and fat tests require fasting for at least 8-12 hours. If necessary, avoid eating food and drinking sweet liquids. - **Avoidance of heavy activity**: Avoid vigorous exercise or vigorous physical activity before the test. - **Information about diseases and symptoms**: If you have a specific disease or have symptoms such as fever, infection or bleeding, inform the doctor. - **Injection and blood collection**: In case of allergy to blood collection proteins or anesthetic drug, inform about this issue. Important points after blood test - **Keeping the sampling site compressed**: After taking blood, press the sampling site to prevent bleeding. **Absence of heavy activities**: Avoid heavy activities for a few hours after the test. - **Skin care**: Don't worry if you get a small bruise; It usually resolves after a few days. **Results follow-up**: Show the test results to the doctor and discuss their interpretation. - **Observe special orders**: If the doctor has recommended a special diet or medication after the test, follow them. Summary Blood tests are vital tools in the diagnosis, prevention and control of diseases. Observing the points before and after the test plays an important role in ensuring the correctness and accuracy of the results. Always consult your doctor about special cases and necessary points before performing any test, and if you have any concerns or unusual symptoms, go to the medical center immediately.

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> Kosar pathobiology specialized laboratory, proud to obtain ISO 15189, ISO 10002 and ISO 9001 of the European Union, under the supervision of Dr. Ali Ayatollahi, a specialist in anatomical and clinical pathology, more than a thousand cases of various tests, in the fields It covers pathology, genetics and clinical. (Contract party of basic insurances and most supplementary insurances) Also, genetic counseling is provided free of charge in this center by experts.* > > *Address: Mashhad - Vakilabad - Kausar Blvd. - between 2 and 4 Kausar - Farabi Doctors Building - negative one floor. Contact numbers: 051-38840404 and 051-38820202 and 09028840404* > > **Kowsar specialized laboratory, having the equipment and experienced personnel, is able to perform sampling services at home in Mashhad.**