Observation:PrThr:Pt:Plr fld:Ord:Acid fast stain
observation:prthr:pt:plr fld:ord:acid fast stain
Observation:Presence or Threshold:To identify measures at a point in time:Pleural fluid (thoracentesis fld):Ordinal:Acid fast stain
observation:presence or threshold:to identify measures at a point in time:pleural fluid (thoracentesis fld):ordinal:acid fast stain