preferred_name: Patient received at least one td vaccine or one tdap vaccine between nine years prior to the encounter and the end of the measurement period
preferred_name_lc: patient received at least one td vaccine or one tdap vaccine between nine years prior to the encounter and the end of the measurement period
label: Pt recd 1 td/tdap 9yrs prior
label_lc: pt recd 1 td/tdap 9yrs prior