preferred_name: Encounter due to history of Extracorporeal Membrane Oxygenation [ECMO]
preferred_name_lc: encounter due to history of extracorporeal membrane oxygenation [ecmo]
label: Encounter due to history of Extracorporeal Membrane Oxygenation [ECMO]
label_lc: encounter due to history of extracorporeal membrane oxygenation [ecmo]