The 32nd edition of standards for blood banks and transfusion services details the latest standards of practice in blood banking and transfusion medicine as in the past each chapter heading represents one of the quality system essentials and the quality standards are supplemented by technical requirements the effective date of this edition is july 1 2020. The 32nd edition of standards for blood banks and transfusion services details the latest standards of practice in blood banking and transfusion medicine as in the past each chapter heading represents one of the quality system essentials and the quality standards are supplemented by technical requirements the effective date of this edition is july 1 2020. The 32nd edition of standards for blood banks and transfusion services bbts standards details the latest standards of practice in blood banking and transfusion medicine as in the past each chapter heading represents one of the quality system essentials and the quality standards are supplemented by technical requirements the effective date of this edition is july 1 2020