THA
total hip arthroplasty
TIA
transient ischemic attack
TIBC
total iron-binding capacity
t.i.d.
three times a day
TIMI
thrombolysis in myocardial infarction
tinct
tincture
TKA
total knee arthroplasty/amputation
TLC
total lymphocyte count; total lung capacity
TNA
total nutrient admixture
T.O.
telephone order