?:definition
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The quantity of a substance or medication to be administered. EXAMPLE(S): 5 mg 20 mg of drug per kg of subject weight 370MBq OTHER NAME(S): NOTE(S): DefinedSubstanceAdministration.productDose can contain a dose expressed in absolute or relative terms (e.g., mg or mg/kg). ScheduledSubstanceAdministration.activeIngredientDose and PerformedSubstanceAdministration.productDose must contain a dose expressed in absolute terms (e.g., mg). If the DefinedSubstanceAdministration.productDose was expressed in relative terms (e.g., mg/kg), then the absolute dose must have been calculated using one or more observed factors as identified by the DefinedExpressionVariableRelationship.
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