in guideline Blood Test HIV Test Few but definitions not freely available HIV Assay A bioassay to measure human immunodeficiency virus (HIV) antibodies and/or HIV antigens in order to determine whether an individual has an HIV infection. Human Immunodeficiency Virus Test Human Immunodeficiency Virus Assay Also below "Immunochemical Assay"? Sickle Cell Disease: The Clinical Care Guidelines of the Sickle Cell Unit Consensus Statement on the Care of Patients with Sickle Cell Disease in Canada Evidence-Based Management of Sickle Cell Disease