Difference Between Medical Lab Technician/phlebotomist?

I am in Abu dhabi on a visit visa looking to start a career in medical lab technology. I want details regarding HAAD exam for Medical Lab Technician. I have a Certification/Diploma from Andhra Pradesh Board for Medical Lab Technician. I want to write a exam as Phlebotomist. Can someone tell me whether I am Eligible to write the exam.