Adapted from CUAHSI HIS CensorCodeCV. See: http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=Cen The anlayte is known to be present, but was not quantified. The recorded value represents the level below which the analyte can no longer be quantified. Present but not quantified ODM2 Censor Code Controlled Vocabulary ODM2 Working Group A vocabulary for describing whether a data value was determined or whether the actual value is unknown due to right or left censoring.