Specimen drawn^2nd specimen:TmStp:Pt:Ser/Plas:Qn
specimen drawn^2nd specimen:tmstp:pt:ser/plas:qn
Specimen drawn^2nd specimen:Time Stamp-Date and Time:To identify measures at a point in time:Serum/Plasma:Quantitative
specimen drawn^2nd specimen:time stamp-date and time:to identify measures at a point in time:serum/plasma:quantitative