Date change of dialysis access type:Date:Pt:^Patient:Qn:ESRD
date change of dialysis access type:date:pt:^patient:qn:esrd
Date change of dialysis access type:Date:To identify measures at a point in time:^Patient:Quantitative:ESRD
date change of dialysis access type:date:to identify measures at a point in time:^patient:quantitative:esrd