It depends on the situation, it can mean that the sample was contaminated by improper cleansing technique, it can be contaminated by I.V. fluid, or it can be contaminated by tissue fluid. Most all scenarios of contamination are directly related to the skill and integrity of the one collecting the blood sample.
There would be a strong possoibility that you would then test positive.
t does RFO mean on blood test request
Had a blood test done and not much blood came out what do this mean please
He was insinuating he had been kissing the girl and it would contaminate the sample. This provided him a valid excuse to test his finger blood which he was prepared for.
it is mean a kind of blood
the type of blood vessels which flow contaminated blood to the heart are known as VEINS
blood gugged
Blood tests would not show this, stool tests may help. If he was contaminated he would be sick continuously, not off and on, so I don't think he is contaminated , it could be that he gets recurrent infections from contamination of what he heats or contamination of things he touches, which would make exposing of the waste properly very important. If it occurs again he can have a blood test called a complete blood count, and blood culture, as well as a stool test
weak pregnancy blood test mean the pregnancy is liable to abort
Thyroid function test
Thyroid function test
Full blood exam