Creatinine^2H specimen:MCnc:Pt:Ser/Plas:Qn
creatinine^2h specimen:mcnc:pt:ser/plas:qn
Creatinine^2 hours specimen:Mass Concentration:To identify measures at a point in time:Serum/Plasma:Quantitative
creatinine^2 hours specimen:mass concentration:to identify measures at a point in time:serum/plasma:quantitative