bloodwork
Thyroxine (T4)/Triiodothyronine (T3) uptake index [Mass Ratio] in Serum or Plasma
LOINC
3028-8
Component
Thyroxine/Triiodothyronine uptake index
System (specimen)
Ser/Plas
Property
MRto
Scale
Qn
Class
CHEM
Status
DISCOURAGED