C	C91101	NCPDP MeasurementUnitCode Terminology	C25298	Systolic Blood Pressure		Systolic Blood Pressure	The maximum pressure exerted into the systemic arterial circulation during the contraction of the left ventricle of the heart.
C	C91101	NCPDP MeasurementUnitCode Terminology	C25299	Diastolic Blood Pressure		Diastolic Blood Pressure	The minimum pressure exerted into the systemic arterial circulation during cardiac ventricular relaxation and filling.
D	C89510	NCPDP QuantityUnitOfMeasure Terminology	C48579	International Unit	Unit	International Unit	The unitage assigned by the WHO to International Biological Standards - substances, classed as biological according to the criteria provided by WHO Expert Committee on Biological Standardization (e.g. hormones, enzymes, and vaccines), to enable the results of biological and immunological assay procedures to be expressed in the same way throughout the world. The definition of an international unit is generally arbitrary and technical, and has to be officially approved by the International Conference for Unification of Formulae.