Creatinine^pre contrast:MCnc:Pt:Ser/Plas:Qn
creatinine^pre contrast:mcnc:pt:ser/plas:qn
Creatinine^pre contrast:Mass Concentration:To identify measures at a point in time:Serum/Plasma:Quantitative
creatinine^pre contrast:mass concentration:to identify measures at a point in time:serum/plasma:quantitative