The 1980 comprehensive blood bank survey of the College of American Pathologists.

Results of the 1980 Comprehensive Blood Bank Survey of the College of American Pathologists are summarized in tabular form. The overall mean of correct responses among participating laboratories showed a high degree of correlation with Referee Laboratory results in ABO and Rh D typing as well as in crossmatching. Some problems existed in the identification and recognition of multiple alloantibodies and in the identification of an alloanti-c in the presence of rouleaux. Ungraded sample results are reported as well as responses to questions regarding the current standards of practice in hospital blood banks.