LOINC display name : Levothyroxine absorption Calc [Mass fraction];
LOINC long common name : Levothyroxine absorption in Serum or Plasma by calculation;
LOINC short name : Levothyroxine absorption MFr SerPl Calc;
LOINC description : The percent absorption of levothyroxine, as determined based on the incremental increase
in Ser/Plas thyroxine [LOINC: 90803-8], the volume of distribution [LOINC: 90802-0],
and the dose of levothyroxine that was administered [LOINC: 18615-5];