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