Mokhtar Zakaria Adam Salih***3., Ikram Mustafa Altyeib Fadul*1, Wafa Ibrahim Elhag**2,, *1-MSc.student – Al Neelain University, Faculty of Medical Laboratory Science, Sudan. **2-Associate professor, Faculty of Medical Laboratory Sciences, Al Neelain University, Sudan. ***3- Talodi hospital, Laboratory department, South Kordofan, State, Sudan., Sudan