Anomalous blood typing from impersonation.
Biological factitious, and technical reasons have previously been reported for real or apparent changes in blood type. In two cases, an apparent change in blood type resulted from a previous impersonation of the patient by a different person.
D000017:ABO Blood-Group System; D000328:Adult; D001789:Blood Group Antigens; D001803:Blood Transfusion; D002648:Child; D008192:Deception; D005260:Female; D006650:Histocompatibility Testing; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests; D012204:Rh-Hr Blood-Group System; D012306:Risk
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System