The universally accepted criteria for donor selection are between 18 and 60 years. Hemoglobin - not less than 12.5 g/Dl. Pulse - between 50 and 100/minute with no irregularities.
Donors in normal health having a body weight of 45 kg or more.
Donors should be in good health condition. donors should be deferred following any acute infection until they are fully recovered and no longer infectious.
The NIH Blood Bank and Platelet Center check Female blood donors must have a hemoglobin level of at least 12.5 g/dL and male blood donors must have a hemoglobin level of at least 13.0 g/dL.
Some medications can affect blood donation eligibility. Donors should inform the blood donation center of any medications they are taking.
Recent any-kind of medical issues. surgeries, or dental work may result in discontinuation, depending on the occurrence.
There can be donated blood but 6 months after getting a tattoo or piercing.
Donors with infectious diseases, such as HIV & AIDS and some king of health diseases are usually not eligible to donate blood.