Receiving compensation for blood donation

Q 5: A. What is the legal ruling on blood donation from a Muslim to another who is sick and needs this precious blood urgently to save his life by Allah's Help. Is this obligatory or permissible?B. What is the ruling of the Shari`ah on blood donation among Muslims in accidents and emergency cases? We all know that there is no alternative to human blood. All medical endeavors and scientific researches entirely failed to produce such a God-given gift i.e. blood, that stands a sign of Allah's Grandeur, Power, and Omniscience. (Part No. 25; Page No. 70

A: Blood donation is permissible if it does not negatively affect the donor's health. When blood donation is necessary to save the life of a human being whose soul has to be preserved with no other alternatives, donation becomes obligatory.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.