This is the ValueSet that contains codes in both ObservationInterpretationNormalityAbnormal (http://terminology.hl7.org/ValueSet/v3-ObservationInterpretationNormalityAbnormal) and ObservationInterpretationNormalityAbnormal (http://terminology.hl7.org/ValueSet/v3-ObservationInterpretationNormalityAbnormal).