Person who performs laboratory analyzes of biological products (blood, urine, etc.) allowing the doctor to diagnose and treat diseases, then to ensure adequate follow-up with the patient. She does this by taking various samples, preparing them for testing, performing analyzes, compiling data, interpreting the results and writing reports. She also collaborates in research and development work. She can work in the fields of biochemistry, microbiology, hematology, immunology, pathology and cytology.