DEFINITION :  The Microbiology Specimen (MB) domain contains information on microbiological tests performed on specimens, such as bacterial cultures or viral loads.

PURPOSE : To track microbiological assessments that help determine the presence of infections or other microbial activity in subjects.

STRUCTURE : One record per microbiology specimen finding per time point per visit per subject

TOPIC : MBTESTCD

KEY VARIABLES : STUDYID, USUBJID, MBTESTCD, VISITNUM, MBTPTREF, MBTPTNUM